# DEPARTMENT OF THE INTERIOR

> Briefs, arguments, decisions, and more.

URL: https://www.frixlaw.com/law-library/documents/tribal%3Aconfederated_colville%3A97446e41c2f024e6

## Record

- **Collection:** Tribal code
- **Document type:** Tribal code

## Text

DEPARTMENT OF THE INTERIOR
Bureau of Indian Affairs
Final Environmental Assessment for the proposed Louie Creek 2026 Forest Management
Project on the Colville Reservation, Okanogan County, Washington
AGENCY: Bureau of Indian Affairs
ACTION: Notice of Availability
SUMMARY: This notice is to advise interested parties that the Bureau of Indian Affairs (BIA)
as lead federal agency, with the Confederated Tribes of the Colville Reservation (CTCR), has
prepared a final Environmental Assessment (EA) and Finding of No Significant Impact (FONSI)
for the Louie Creek 2026 Forest Management Project on the Colville Reservation, Okanogan
County, Washington. This notice also announces the EA is now available in hard copy at the
addresses below.
ADDRESSES: You may request a hard copy of the EA and FONSI by writing the BIA Colville
Agency, PO BOX 111, Nespelem, Washington, 99155.
FOR FURTHER INFORMATION CONTACT: Randall Friedlander, BIA Colville Agency
Superintendent, at (509) 634-2316 and Chasity Swan, Colville Tribe Integrated Resource
Management (IRMP) Coordinator, at (509) 722-7656.
SUPPLEMENTAL INFORMATION: The Colville Tribe, through contractual obligations to the
BIA, has proposed the Louie Creek 2026 Forest Management Project. The activities under the agency
proposed action to harvest approximately 19 million board feet of timber on approximately 1,662
acres of tribally owned lands within the Omak/Nespelem District of the Colville Reservation in
Okanogan County, Washington. The activities will occur under guidelines in the CTCR Integrated
Resource Management Plan (IRMP)(CTCR 2015) and associated Final Programmatic Environmental
Impact Statement (FEIS)(CAR 2018).
Authority: This notice is published pursuant to 43 CFR 46.305 of the Department of Interior
Regulations (43 CFR Part 46), the procedural requirements of the National Environmental Policy
Act of 1969, as amended (42 U.S.C. 4371 et seq.), and is in accordance with the exercise of
authority delegated to the Assistant Secretary – Indian Affairs by 209 DM 8.
Digitally signed by RANDALL FRIEDLANDER
Date: 2026.04.16 11:44:10 -07'00'

Randall Friedlander
Colville Agency Superintendent
Bureau of Indian Affairs
U.S. Department of the Interior

Louie Creek BIA-NWR-CTCR-EA-26-12

Date

FINDING OF NO SIGNIFICANT IMPACT (FONSI)
Louie Creek Forest Management Project,
Confederated Tribes of the Colville Reservation, Okanogan County, Washington
After reviewing the Final Environmental Assessment (BIA-NWR-EA-26-12), I have concluded
that the Federal Action for the Louie Creek Forest Management Project will not significantly
affect the human environment. Therefore, in compliance with Section 102(2)(C) of the National
Environmental Policy Act (NEPA), as amended, preparation of an Environmental Impact
Statement is not required.
Summary of Significance Evaluation (per DOI NEPA Procedures Section 1.2): The
following factors were used to determine that the Proposed Action does not constitute a major
federal action significantly affecting the quality of the human environment:
1. Duration of Effects:
Both short- and long-term effects were evaluated in Section 4 of the EA. While
construction impacts are short-term, operational impacts are long-term; neither duration
alone indicated significance. Road construction and use has been identified as having
both short and long term effects to water quality. All newly constructed roads will be
closed following project implementation. Mitigation has been developed for the loss and
reduction of wildlife habitat structures and functions to minimize impacts.
2. Beneficial and Adverse Effects:
The Proposed Action provides economic and forest health benefits; adverse effects (e.g.,
habitat disturbance, soil erosion) are mitigated and remain below significance thresholds.
3. Public Health and Safety:
Potential impacts to air quality, water quality, and cultural resources were assessed
(Section 4 of EA) and mitigations developed (Section 5 of EA). No significant health or
safety risks were identified.
4. Economic Effects:
The project will provide approximately $1.9 million in stumpage income for the CTCR.
Planning and implementation of this project would provide employment and business
opportunities both locally and regionally. The Forestry, logging and milling industry is a
central part of the regional economy.
5. Quality of Life:
The project enhances the forest health of the landscape and while short-term impacts may
temporarily impact wildlife and cultural plant populations, creating diversity across the
landscape enhances opportunities for the tribal population to hunt and gather without
adversely affecting cultural resources or public services. This project will provide much
needed road maintenance which enhances tribal member access for hunting and
gathering.
Louie Creek BIA-NWR-CTCR-EA-26-12

Conclusion:
Based on these considerations, the Bureau of Indian Affairs finds that the Proposed Action will
not result in significant environmental effects. Therefore, an Environmental Impact Statement is
not required.
Digitally signed by RANDALL FRIEDLANDER
Date: 2026.04.16 11:44:52 -07'00'

Randall Friedlander, Superintendent
Colville Agency
Bureau of Indian Affairs

Louie Creek BIA-NWR-CTCR-EA-26-12

Date

LOUIE CREEK 2026 FOREST MANAGEMENT PROJECT
ENVIRONMENTAL ASSESSMENT
The Bureau of Indian Affairs and the Confederated Tribes of the Colville Indian Reservation
propose the harvest of approximately 19 million board feet (MMBF) of timber from 1,662 acres
of tribal land in the San Poil District of the Colville Reservation.
Prepared by:
The Bureau of Indian Affairs and the Colville Confederated Tribes of the Colville Indian
Reservation.
Official Decision Maker: Randy Friedlander, Superintendent, Colville Agency, BIA
For further information:
Chasity Swan
IRMP Coordinator
PO BOX 150 Nespelem, WA 99155
(509) 722-7656
Chasity.Swan.bia@colvilletribes.com

March 10, 2026
BIA-NWR-CTCR-EA-26-12

Table of Contents
1.0 Purpose and Need .................................................................................................. 1
1.1 Introduction ................................................................................................................... 1
1.2 Purpose and Need for Action ........................................................................................ 1
1.3 Issues, Concerns and Objectives ................................................................................... 1
1.4 Compliance with Other Codes and Regulations ........................................................... 2
1.5 Determination ............................................................................................................... 2
1.6 Public Scoping .............................................................................................................. 3
2.0 Alternatives Considered ......................................................................................... 3
2.1 General Discussion: Alternative Design ....................................................................... 3
2.2 Alternative A: No Action .............................................................................................. 3
2.3 Alternative B: Proposed Action .................................................................................... 4
3.0 Affected Environment ............................................................................................ 6
3.1 Forestry ......................................................................................................................... 6
3.2 Hydrology ..................................................................................................................... 8
3.3 Fish and Wildlife......................................................................................................... 10
3.4 Cultural Resources ...................................................................................................... 11
3.5 Range Management .................................................................................................... 13
4.0 Environmental Consequences .............................................................................. 14
4.1 Forestry ....................................................................................................................... 14
4.2 Hydrology ................................................................................................................... 15
4.3 Fish and Wildlife......................................................................................................... 21
4.4 Cultural Resources ...................................................................................................... 24
4.5 Range Management .................................................................................................... 25
4.6 Air Quality .................................................................................................................. 26
4.7 Cumulative Impacts .................................................................................................... 26
4.8 Social and Economic Impacts ..................................................................................... 27
5.0 Mitigation for Resource Protection ...................................................................... 27
6.0 List of Preparers ................................................................................................... 31
7.0 Literature Cited .................................................................................................... 32
8.0 Appendices .......................................................................................................... 34
8.1 Project Maps and Activity Table ................................................................................ 34
8.2 Consultation ................................................................................................................ 37
8.3 Preliminary Transportation Analysis .......................................................................... 47
8.4 Technical Supplement: Prescription Descriptions ...................................................... 50
8.5 Army Corp of Engineers BMPs .................................................................................. 52
8.6 CTCR Holistic Goal and Desired Future Conditions.................................................. 55

1.0 Purpose and Need
1.1 Introduction
The Louie Creek Forest Management Project is in the Louie Creek Watershed Management Unit
(WMU). It is bounded on the north by Bridge Creek, on the west by the Sanpoil River, on the
south by the Iron Creek drainage and by a north/south ridgeline that separates the Louie Creek
WMU from the Jones Creek WMU on the east. Forest management activities would occur within
the project boundary of the Louie Creek WMU. There are 21,455 acres within the Louie Creek
Forest Management Project boundary.
The San Poil Forestry District of the Confederated Tribes of the Colville Indian Reservation
(CTCR) proposes harvest of approximately 19 million board feet (MMBF) of timber on 1,662
acres, 2,302 acres of Pre-Commercial Thin (PCT), and acres of artificial conifer regeneration
associated to post-harvest activities. Site preparation includes 649 acres of machine pile and
burn, and 1,013 acres of broad cast burn. Broadcast burn units would require approximately 21.7
miles of fireline construction. The proposed harvest would require approximately 1.84 miles of
new road construction and 2.18 miles of road reconstruction within the project area.
The federal action (40 CFR 1508.18) is the Bureau of Indian Affairs (BIA) approval of the Louie
Creek Forest Management Project which triggers BIA’s National Environmental Protection Act
(NEPA) compliance review of the project 42 USC § 4321- 4347) and associated regulations
found in 40 CFR 1500-1508 (as amended) and 43 CFR 46.

1.2 Purpose and Need for Action
The CTCR are pursuing the implementation of the Louie Creek FMP to provide volume to
support a portion of the annual allowable cut, provide economic benefits for the Tribal
Membership and revenue for the Tribes.
The CTCR has calculated the annual allowable cut to be 77.1 million board feet for the 2015 to
2030 planning horizon. The CTCR Forest Management Plan stresses the need for a healthy forest
ecosystem with habitat that would contribute and support populations of native species,
particularly those associated with cultural use and provides for the protection and restoration of
watersheds on the Reservation to ensure they continue to provide high quality water and fish
habitat (Klock 2001). The Colville Tribes interdisciplinary Project Proposal Process (3P) Team
synthesized the proposed action to minimize impacts on other natural resources.

1.3 Issues, Concerns and Objectives
The following are issues or concerns that the Interdisciplinary Team (3P Team) has identified as
being relevant to the discussion of the “no action” and the “proposed action” alternatives.
Forestry Objectives
Capture the volume of dead and dying trees, provide income and employment for the CTCR. Bring
commercial forest acres into regulation.
Indicators:
a. Acres salvaged by each alternative
Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 1

b. Estimated stumpage produced by each alternative
c. Estimated volume of timber harvested per alternative
Hydrology Objectives
To minimize erosion and sediment delivery to surface waters and prevent streambank/wetland
disturbance. Maintain ecological function of soils and prevent landslides.
Indicators:
a.
b.
c.
d.
e.
f.
g.

Harvest proximity/adjacency to surface water
Acres likely experiencing increased hydrologic response
Acres likely experiencing increased sediment delivery to surface water
Road construction/use within 200ft of surface water
Acres likely experiencing increased soil loss to surface water
Slope stability and failure risk, soil burn severity
Proximity of known and identified mass wasting sites

Fish and Wildlife Objectives
To maintain and restore critical forest structure, old growth forests, deciduous stands and
wetlands. Ensure wildlife and fish habitat needs are maintained, including large woody debris.
Indicators:
a. Wetland and stream adjacency acres
b. Block size and adjacent acres
c. Road density, miles/square mile
d. Miles of road construction
e. Miles of stream adjacent road

1.4 Compliance with Other Codes and Regulations
The Colville Indian Reservation IRMP provides an in-depth reservation-wide analysis that
addresses many of the concerns and issues outlined in the following section. Issues and concerns
discussed below with Fish and Wildlife, Hydrology, Cultural Resources, Soils, Range and
Vegetation were intensively analyzed in the IRMP Environmental Impact Statement. This project
is designed to be compliant with Colville Tribal Forest Practices Code 4-7 (208), CTC 4-9:
Hydraulic Project Permitting, 4-10: Water Resources Use and Permitting, the Endangered
Species Act, Clean Water Act, Clean Air Act and other applicable Tribal and Federal
Regulations.

1.5 Determination
The Colville Agency BIA Superintendent with the concurrence of the Colville Business Council
(CBC) would determine which alternative is selected for implementation.
a) To take no action (Alternative A).
b) To approve the proposed action (Alternative B).
c) To direct an additional alternative be created.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 2

The BIA Superintendent would also determine whether the environmental consequences are
significant and prepare a Finding of No Impact (FONSI) or determine that Environmental Impact
Statement (EIS) would be required.

1.6 Public Scoping
In the process updating of the IRMP which provides goals and objectives to manage the Tribes’
natural resources a Colville Reservation Community survey was conducted to document the
priorities, preferences and concerns regarding the management of the Tribes’ natural resources
(Center for Applied Research [CAR] 2015). A total of 1,026 individuals participated.
Respondents indicated the forests provide essential revenue source (47%) and jobs (52%) for the
tribal membership and community. The strongest response on forest management (54%) was for
forest-wide thinning of insect and fire prone tree stands and to treat forest health issues. Many
community meetings were held to help shape the CTCR management strategy during the 2001
and 2015 IRMP planning processes.
The Louie Creek Forest Management Project was presented to the 3P Team in March of 2025.
The 3P Team and public also had a field tour of the project area in June of 2025. This project is a
part of that 15-year plan for Forest Resource Management on the Reservation (CTCR 2015).

2.0 Alternatives Considered
2.1 General Discussion: Alternative Design
The National Environmental Policy Act (NEPA) and the Council on Environmental Quality
(CEQ), the Department of the Interior (DOI) and the BIA have developed regulations that
require that a reasonable range of alternatives be considered in NEPA documentation, including
the “Proposed Action” and “No Action” alternatives.
For this project, Alternative A (No Action) is included to fulfill the requirements of NEPA and to
provide baseline values by which to measure the effects of other alternatives. For the purposes of
this document, “no action” means that no harvest or other resource manipulation would occur if
this alternative were adopted.
Alternative B (the Proposed Action) was constructed to fulfill the purpose and need. That is,
Alternative B was designed to:
• Reduce risk of loss of timber to overstocking, drought, insects, disease, and fire
or secondary fire effects
• Improve general forest health,
• Provide stumpage income for the Tribal Government of the Colville Tribes,
• Provide employment for Tribal members,
• Provide an opportunity for revenue to Tribally owned businesses,
• Expand forest regulation.
All alternatives are designed to meet all legal and procedural requirements to which the CTCR
and the BIA must adhere.

2.2 Alternative A: No Action

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 3

The “No Action Alternative” includes the BIA not approving the Louie Creek 2026 Project
and/or the BIA and Tribe not implementing activities under the project. Under this alternative no
timber harvest, road reconstruction, or other manipulation of resources would take place. Fuel
reduction treatments would not take place.

2.3 Alternative B: Proposed Action
The Proposed Action Alternative includes the BIA approving the Louie Creek Forest
Management Project and the BIA and CTCR implementing the activities under the proposal.
This Alternative does meet the Purpose and Need of the project.
This alternative was proposed by the CTCR San Poil Forestry District to meet forest health needs
and provide volume for the Annual Allowable Cut (AAC) of 77.1 MMBF outlined in the IRMP.
The Louie Creek Forest Management Project would harvest roughly 19 MMBF of timber on
approximately 1,662 acres, complete 2,302 acres of pre-commercial thinning, and plant
approximately 920 acres of conifer trees. There are an estimated 649 acres of machine pile and
burn and 742 acres of broadcast burn site preparation associated with the various silvicultural
treatments in this alternative.
Table 1. Prescription Summary for Alternative B.

Prescription
Pre-commercial Thin (PCT)
Commercial Treatment
Overstory Removal/Commercial Thin (OSR/CT)
Overstory Removal/Seed Tree/Commercial Thin
Seed Tree (ST)
Seed Tree/Commercial Thin (ST/CT)
Seed Tree/Improvement Cut
Shelterwood (SW)
Post Harvest Treatment, Site Prep
Machine Pile and Burn (MPB)
Broadcast Burn (BB)
Regeneration
Tree Planting – artificial regeneration
Natural Regeneration
Total Non-Commercial Treatment
Total Commercial Treatment
Total Post Harvest Treatment, Site Prep
Total Regeneration

Acres
2,302
86
125
524
63
271
593
649
1,013
920
742
2,302
1,662
1,662
1,662

The harvest system acres are shown in Table 2. The acres are estimated. Operational decisions
would be made on the ground to determine how each acre would be harvested. Generally, areas
over 39% slope would be tether logged, but there are small, steep inclusions that may be
harvested using a ground-based system such as tractor or forwarder and blocks averaging
between 40% and 70% harvested using tether/cable-assisted ground-based systems. Noncommercial thinning units are not included in these estimates because no logging equipment
would be used for those treatments.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 4

An additional category is included. Tether-Assisted/Ground Based harvest operations have
slopes from 0%-to-70% slope operability and both logging systems would be needed to facilitate
harvest in these blocks.
Table 2. Alternative B harvest systems.

Logging Method
Ground-Based
Tether-Assisted

Acres
1,336
326

Alternative B would require approximately 1.84 miles of new road construction, 2.18 miles of
road reconstruction, 0.25 miles of road abandonment, 23.29 miles of road use/maintenance, and
14.20 miles of county highway use to facilitate logging operations. Nearly 21.7 miles of fire line
construction are required for site preparation and prescribed broadcast burning activities. All fire
line rehabilitation, new construction and reconstruction proposed would be closed upon
completion of harvest/burning operations, site preparation, and planting activities.
Table 3. Alternative B road abandonment, maintenance, new construction and reconstruction.

Activity
Abandonment
Maintenance
Reconstruction
New Construction

Miles
0.25
9.39
2.18
1.84

Definitions for activity:
• Abandonment: Leaving the road prism in a free-drain state which includes removal of all
crossing structures and crossdrains and blocked to highway vehicle access. Typically, the
road prism is crossed at frequent intervals with excavated drainage through the road
prism. Frequency increases with road grade.
• Maintenance: Includes brushing limits of at least 4-6 feet from running surface shoulders,
and reshaping for proper surface water drainage. This may include the addition of
ditchlines and crossdrains.
• Reconstruction: Necessary cutting and reshaping of existing road prisms that are either
deeply degraded or have older vegetation or trees growing in the running surface of the
road.
• Construction: New road prism construction which includes proper location, clearing and
grubbing limits, brushing limits and parameters for road width, grades, turn radii and
turnouts per the Forest Practice Code and Forestry specifications.
Road Closure Plan
All newly constructed roads would be closed following post-harvest activities in accordance with
forest practices 4-7-60 2(E). However, closure may be delayed allowing for planned Forest
Development Activities.
Other Project Design Features
There are many other project design features that are included in this alternative. These are
included to help protect other resources such as fish and wildlife, and riparian areas. Some of
these design features are outlined below. These design features would help mitigate most of the
Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 5

issues and concerns raised by Fish and Wildlife, Soils and Hydrology. These design features
would make the project meet the standards of the IRMP and Forest Practices Code and help to
mitigate some of the potential negative impacts of the project.
•
•
•
•
•
•
•
•

All newly constructed roads would be closed following implementation.
Scattered over-story trees would be left on all units to provide a future source of snags
and down woody debris.
Compliance with the Federal Water Pollution Control Act (Clean Water Act), including
section 208 Water Quality Management Planning requirements (33 U.S.C . § 1288).
A combination of tethered and ground-based logging systems would be used, depending
on steepness of the units and road placement.
Summer and winter seasonal restrictions would be placed on units to protect the sensitive
ash cap soils from erosion. Summer would be dry soil conditions; winter restrictions
would require frozen ground and/or 2 feet of snow.
Archeological sites would be buffered and protected from logging damage.
Monitoring for specific wildlife species would occur and operational adjustments would
be made if needed.
Skid trails would be spaced at least 100 feet to reduce soil compaction and displacement.

When timber harvest takes place, Best Management Practices (BMP’s) outlined in the Colville
Confederated Tribes Forest Practices Handbook (208 Handbook), dated October 2006, would be
employed. Timber contract compliance by the Timber Sale Officer (TSO) would be the foremost
method ensuring that the BMP’s are followed and implemented. Proper maintenance of roads
and skid trails after logging operations would be implemented to reduce erosion. Designated skid
trails and tethered logging would help reduce impacts on the soil resources. Slash treatments, on
the ground and at the landings, would be either machine pile and burn, broadcast burn, lop and
scatter or left on site. The continual management of the stands including monitoring from initial
stand development to the maturity of the stand would be completed by various forestry staff such
as Silviculturists, Timber Sale Officers, and forest development staff. The monitoring would
ensure the individual stands are going down the anticipated pathway to the desired future
conditions.
Culverts would be replaced at certain locations depending on the necessity which would be
determined by the TSO’s, District Officer, the road engineer, or ETD NPS Management
Coordinator. Also, new culverts would be installed to allow the continual flow of water to
remain in the same established channel and accommodate the estimated discharge of a 100-year
flood event. Water sources would be identified on the FPA/HPA application as potential sites to
obtain water for road watering, dependent on approval from the Water Administrator. Calcium
chloride may be used on sections of road as an alternative to road watering.
Riparian Management Zones (RMZ) would be identified in the planning process using stream
classification maps and determined by Presales Department personnel during block boundary
layout. RMZ buffers would follow requirements of the Forest Practices Code (CTC 4-7), dated
October 2006. During implementation of road construction activities and logging operations,
some trees may need to be harvested, if they present a safety hazard.

3.0 Affected Environment
3.1 Forestry
Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 6

General Discussion
The Louie Creek project area is in the San Poil District of the Colville Reservation, located in
northeastern Washington State, in southwest Ferry County.
The Louie Creek project is in the Louie Creek Watershed Management Unit (WMU). It is
bounded to the north by Bridge Creek, on the west by the Sanpoil River, on the south by the Iron
Creek drainage and by a north/south ridgeline that separates the Louie Creek WMU from the
Jones Creek WMU on the east. In addition to three west to east drainages, the area is
characterized by broken topography with numerous draws that contain small streams feeding into
the creeks in the area.

Figure 1. Louie Creek Project Area on the Colville Indian Reservation.

Forest Health
Past management practices of fire suppression, reduction in grazing, and single tree selection had
the cumulative effect of creating a forest that is very different ecologically than the historically.
Another aspect of forest health is that of direct damage to trees by insects, diseases, and parasitic
plants. The forest condition is described in detail in the 2023 CTCR Forest Management Plan
and 2015 IRMP. Please refer to that those plans to understand the forest health issues occurring
on the Colville Reservation.
Concerns identified in project area:

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 7

•
•
•
•

Dwarf Mistletoe
Armillaria Root Rot
Laminated Root Rot
Insects: Western Pine Beetle, Western Spruce Budworm, Tussock Moth, Douglas-fir
Beetle, Western Pine Beetle, Fir Engraver

Some of the proposed units within the project area have insect activity. Post-harvest slash and
site preparation treatments are planned and needed for conifer regeneration establishment and
hazard fuel reduction.
Road Conditions:
A transportation plan was developed for the Louie Creek project area. This includes maintenance
needs, new- and re-construction requirements and road abandonment work. Recommended haul
routes have been designated throughout the project area, and a detailed list of road work has been
provided in the Forest Officers Report. One hydrological permit would be submitted to improve
eight type 4 stream crossings that would be needed to access harvest units beyond these stream
courses.
The total area of past treatment in the Louie Creek project area is 5,334 acres (Table 4).
Table 4. Past treatments in the Louie Creek project area.

Historical Treatments
Improvement Cut
Regeneration Cut with Reserve Trees
Seed Tree Cut
Shelterwood Cut
Commercial Thin
Overstory Removal
Seed Tree / Overstory Removal
Sanitation Salvage
Salvage – Fire
Hazardous Fuels Removal
Uneven Age
Pre-Commercial Thin
Clear Cut
Total Treated Acres

Acres
1,094
1,604
347
644
182
466
65
141
21
19
203
16
532
5,334

3.2 Hydrology
Water Resources
The proposed project would involve approximately 1,662 acres of treatment. Within the project
area, there are 68.7 miles of streams and 612.32 acres of wetland. The proposed project plan
includes 327.67 acres of planned harvest activities within 200 ft. of hydrologic features. Harvest
activities would occur on 309.61 acres within 200 ft. of streams, and 18.06 acres within 200 ft. of
wetlands.
Table 5. Hydrologic features within the Louie Creek project area footprint.

Hydrologic Feature
Louie Creek BIA-NWR-CTCR-EA-26-12

Potentially Affected Size

pg. 8

Mapped Streams

68.7 mi

Mapped Wetlands

612.32 ac

The present condition of the affected environment is variable across the project area. The
affected environment is influenced by the Louie Creek Project Area in the San Poil District of
the Colville Reservation located in northeastern Washington State. This project area is 21,455
acres, and contains the entire Louie Creek, Forty Mile Creek, and Iron Creek WMUS, as well as
24% of the Lower Sanpoil River WMU, 21% of the Bridge Creek WMU, and 3% of the Upper
Sanpoil River WMU.
The Louie Creek project area is contained mostly within the Lower Sanpoil River RMU, though
the portion located within the Bridge Creek WMU is within the Upper Sanpoil River RMU.
Although by arbitrary delineation the Lower San Poil RMU is influenced by the Upper Sanpoil
River RMU, in fact, these are the same major watershed, the main watercourse (the Sanpoil
River) of which flows from off of the Reservation down to the Columbia River. All subdrainages within the project area terminate at the Sanpoil River, and are influenced entirely by
their own contained hydrology.
In addition to direct impacts in the Louie Creek project area and the main stems of the major
watercourses within (Louie Creek and Iron Creek, primarily), landscape-scale impacts from
activity in the Louie Creek project area would be detected in the main stem of the Sanpoil River,
or further downstream in the Columbia. Generally, timber sales are active for five years after
approval, resulting in five years of direct impacts from timber harvest, though indirect impacts
can last longer. In the past five years (since 2021), three other green timber sales have occurred
in the Lower Sanpoil River RMU: Keller Ridge (2022) McAllister (2023), and John Tom (2024).
Additionally, two major fires have occurred in the Lower Sanpoil River RMU in the last 5 years,
the Chuweah Creek (2021) and Swawilla I (2024) fires. However, both of these fires occurred on
the western side of the RMU, opposite the Louie Creek project area. The Louie Creek project
area is located within Range Unit 19.
Water resources in the project area include 68.7 miles of streams and 612.32 acres of wetlands,
as well as an unknown number of seeps and springs. Louie Creek and Iron Creek are the major
watercourses through the project area, flowing east to west before joining the Sanpoil River.
Tributaries to these streams include type 3 streams, which are generally perennial and fishbearing, and type 4 streams, which are generally intermittent, high-gradient headwater streams.
Louie Creek and Iron Creek are both perennial and fish-bearing.
Water quality is monitored at the mouth of both Louie Creek (Station ID: LOU074) and Iron
Creek (Station ID: IROF73), immediately upstream of the respective confluences with the
Sanpoil River. Water quality monitoring and analysis from 2018-2023 identified exceedances of
the standards outlined in Colville Tribal Code 4-8 Water Quality Standards for both stations
(Axthelm 2024). Louie Creek exceeded the recorded exceedances of the 6.45 NTU turbidity
standard, with a high value of 49.7 on 10/1/18. There were no recorded exceedances of other
field metrics (pH, temperature, and dissolved oxygen), or of lab metrics (fecal coliform, e.coli,
ammonia, nitrate/nitrite, TKN and orthophosphates) at this location. This was a targeted
sampling location that was only sampled during 2018. Iron Creek exceeded the pH standard for
Class IIl waters (between 6.5 and 8.5) on 7/29/2020. There were no recorded exceedances of

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 9

other field metrics (temperature, dissolved oxygen, and turbidity), or of lab metrics (fecal
coliform, e.coli, ammonia, nitrate/nitrite, TKN and orthophosphates) at this location.

3.3 Fish and Wildlife
Wildlife
The Louie Creek Timber Project area provides habitat and life cycle requirements for a variety of
wildlife species. Habitat components important for life requirements vary by species and guilds.
Priority and other wildlife species and habitats can be found in “Wildlife Management Program
Goals and Objectives” and Fish and Wildlife section of the CTCR IRMP.
Fish
Within the Louie Creek project area are several fish bearing streams, including Bridge, Louie,
and Iron creeks, as well as several smaller type 3 and 4 tributaries of these creeks. These streams
are all part of the Sanpoil River basin, which flows into Lake Roosevelt, and are an important
and vital system for both resident and reintroduced anadromous fish species. Fish species present
in these streams include Redband Rainbow Trout (Oncorhynchus mykiss gairdneri), Brook Trout
(Salvelinus fontinalis), Mountain Whitefish (Prosopium williamsoni), suckers (Catostomidae),
native minnows (Leuciscidae), Sculpins (Cottidae), and reintroduced Chinook Salmon
(Oncorhynchus tshawytscha).
The Lake Roosevelt drainage area is included in the Northeast Washington Research Needs Area
of the Mid-Columbia Recovery Unit for bull trout (S. confluentus; USFWS 2002). Bull trout are
currently listed as “threatened” federally, while Washington State considers bull trout a
candidate for listing. However, Bull trout in the Louie Creek project area and surrounding areas
are extremely rare and believed to have been extirpated. Historically, populations likely occurred
in several tributaries to the Columbia River above Grand Coulee Dam (Lake Roosevelt).
However, currently no spawning populations exist within the Northeast Washington Research
Needs Area. Bull trout observation data within the Northeast Washington Research Needs Area
is not well tracked, sporadic, and often anecdotal, although they have been rarely encountered
during large-scale standardized fishery surveys. Since 2011, fewer than 25 bull trout have been
documented in Lake Roosevelt. The majority of these observations occurred in the north end of
Lake Roosevelt near the Canadian border, with infrequent observations near mouths of
tributaries. In 2012, a single adult bull trout was documented in the lower Sanpoil River Arm of
Lake Roosevelt. These fish likely derived from populations in the Spokane River or Pend Oreille
River basins, or from tributaries to the Columbia River in Canada. While bull trout have been
encountered rarely in Lake Roosevelt, they are very unlikely to be impacted by activities within
the project area.
Federally Threatened or Endangered Species
Federally Threatened or Endangered Species: Section 7 of the Endangered Species Act (ESA; 16
U.S.C. 1531 et seq.) of 1973 as amended, and its implementing regulations found at 50 CFR 402,
require federal agencies to insure that any action authorized, funded, or carried out by such
agency is not likely to jeopardize the continued existence of any endangered species or
threatened species or result in the destruction or adverse modification of habitat.
Bald and Golden Eagle Protection Act and Migratory Bird Treaty Act

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pg. 10

The Bald and Golden Eagle Protection Act (16 U.S.C. 668-668c), of 1940, as amended, and
Migratory Bird Treaty Act (16 U.S.C. 703-712), of 1918, as amended, prohibits anyone, without
a permit, from “Taking” eagles or any bird, including their parts, nests, or eggs. Within this Act,
eagles/nests/eggs/young are not to be “Disturbed” including agitated or bothered. Aerial surveys
have been conducted in the past by the Colville Tribe to identify eagle and raptor nests. All
known nests are buffered and have seasonal restrictions.
Table 6. US-DOI-Fish and Wildlife Service: Official Species List.

Species
Canada Lynx
Yellow-billed Cuckoo
Bull Trout
Monarch Butterfly
Suckley's Cuckoo Bumble Bee

Scientific Name
Status
Lynx canadensis
Threatened
Cuckoo Coccyzus americanus Threatened
Salvelinus confluentus
Threatened
Danaus plexippus
Proposed Threatened
Bombus suckleyi
Proposed Endangered

Information for Planning and Conservation was acquired from the United States Department of
Interior Fish and Wildlife Service (USDOI-FWS) for Endangered Species Act Species List. An
Official Species List from the United States Department of Interior Fish and Wildlife Service
(USDOI-FWS), is included.

3.4 Cultural Resources
National Historic Preservation Act (NHPA)
Section 106 of the National Historic Preservation Act (NHPA) as amended, and its implementing
regulations found at 36 CFR Part 800, require federal agencies to identify cultural resources for
federal action. The significance of the resource must be evaluated using established criteria
outlined at 36 CFR 60.4. If a resource is determined to be a historic property, Section 106 of the
NHPA requires that effects of the undertaking on the resource be determined. A historic property
is “…any prehistoric or historic district, site, building, structure or object included in, or eligible
for inclusion in the National Register of Historic Places, including artifacts, records, and material
remains related to such a property…” (NHPA, 16 USC 470w, Sec. 301[5]).
“Cultural resources” include archaeological sites, standing structures, and locations or landforms
that are important to the identity of the indigenous people of the area (i.e., traditional cultural
properties [TCPs]). For more details on the affected cultural environment, please consult the
CCT Cultural Resource Management Plan (CCT 2007), the cultural resources overview for the
Colville Reservation (Gough 1990), and the FEIS for the IRMP (CAR 2018).
The Louie Creek project is within the ancestral lands of the snpəʕʷílx (Sanpoil) Tribe, who can
identify their ancestry back over a thousand years in this area. The languages of the twelve tribes
comprising the CTCR have been grouped into general Salishan and Sahaptian language families.
The majority spoke the Interior Salish languages of nxaɁamcín and nsləxcín, though the
Sahaptian languages of the Nez Perce (nímípuɁ) and Palus (palús) were also spoken. The
language of the snpəʕʷílx is nsləxcín.
For the purposes of consultation with the Tribal Historic Preservation Officer (THPO) under
Section 106 of the National Historic Preservation Act, the timber treatment areas, roads, and
attendant landings shall be considered the Area of Potential Effect (APE).

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pg. 11

There have been two previous surveys within and immediately adjacent to the Louie Creek
project area (Gough 1990; Meyer 2006). These inquiries have resulted in the documentation of
twelve archaeological sites and one cemetery within or immediately adjacent to the Louie Creek
project area. A review of the Colville Confederated Tribes History/Archaeology (H/A) Program
databases resulted in the documentation of two Traditional Cultural Properties (TCPs).
A search of Bureau of Land Management/General Land Office (BLM/GLO) records indicates
that there is one historic land patent and multiple historic trails in the northwestern portion of the
project area. Finally, an examination of Clair Hunt’s 1916 map of the South Half of the Colville
Indian Reservation determined there are no historic Indian allotments in the project area.
For the current project, a predictive model was used to select areas within the Louie Creek
Project area for a cultural resource survey. Three new cultural resources were identified and
recorded.
Eighteen resources have been documented within the Louie Creek project area. Due to the
proximity to proposed treatment blocks and road, two of these sites are located within the APE
of this project. The remaining resources appear to be eligible for the National Register of
Historic Places (NRHP), but are outside of the project APE and should not be affected by project
implementation.
All TCPs and archaeological sites must meet at least one of the following criteria to be
considered eligible for evaluation to the National Register: A) they must be associated with
events that have made a contribution to the broad patterns of history. B) They must be associated
with the lives of persons to our past. C) They must embody the distinctive characteristics of a
type, period, or method of construction or they represent the work of a master, or that possess
high artistic values, or that represent and distinguishable entity whose components make
individual distinction. D) They must have yielded, or be likely to yield, information important in
prehistory or history. Additionally, to be a “property” a TCP must have tangible boundaries (36
CFR 60.4; Parker & King 1998).
Shannon and Moura (2007) have aptly observed that due to the unique nature of TCPs, the
standards identified above must also be evaluated with perception of Native American history.
When reviewing TCPs for continued use of at least 50 years, for instance, it must be recalled that
federal and state policies common in the 1800s restricted, regulated and denied access to
property to Tribal people which had previously been in their exclusive territory. Oftentimes,
Indian people may shift their area of use to adjacent or nearby locations if a previously utilized
property suddenly (and beyond Tribal control) became unavailable. Therefore, a location may
still retain value and continue to be a TCP when access is restored (Shannon & Moura 2007).
In pre-contact and historic times, the knowledge of these TCPs and their locations and use
provided people with a means for subsistence and important cultural items for personal use or
trade, cultural practices which continue to this day. Additionally, the nature of these sites and
their close proximity to other documented cultural resources, including pre-contact, historic and
additional TCP sites increases their potential to yield information important to the CCT.
Oral history accounts of the region identify the general areas of Thirteen Mile Creek, Seventeen
Mile Creek and South Seventeen Mile Creek as possessing traditional value in addition to those
locations observed during the archaeological survey. It is the position of the CCT that “A place is
due to its location and the meaning assigned to it, not the language of the name by which it is

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pg. 12

known. While recording place names in the original languages is of immeasurable value, the
places would continue to have meaning and significance regardless of the language used to
describe them (George 2011).
It is likely that cairns, rock alignments, talus pits and other rock features may be found
throughout the area. Pictographs are common in this region and have a high potential to be
present on the flats adjacent to streams and springs where people would have camped while
taking advantage of upland resources. Small pre-contact camps may be present on the upland
areas adjacent to springs or creeks, or in sheltered canyons. Evidence of early historic-period
occupation, logging and mining features and\or graves may be present within the project area, as
suggested by the presence of historic allotments. Picture trees (i.e., old growth pine trees with
anthropomorphic figures carved into them) are possible in this area, as well as more customary
peeled pines.
The project area is located within the Upper Sanpoil River watershed. Traditional religious use
of sweathouses perpetuate within the Upper Sanpoil River watershed, as do harvest of native
cultural plant species across the landscape. This area is the principle gathering location for at
least ten different plant species (Table 7) for consumption, construction, weaving and religious
purposes (Marker et al. 2012). Nine springs, which the CCT attribute cultural value to, are
documented within this watershed. Eleven locations within the watershed have been documented
as important areas for water-related resource use. Some of these areas include West Fork,
Twentyonemile Creek, Thirtymile Creek, Devil’s Elbow, Central Peak, the Sanpoil River, and
Twentythreemile Creek.
Table 7. Traditional Cultural Plants gathered within the Upper Sanpoil River Watershed (Marker et al.
2011).

Lichen,

Wild Mushrooms,

Sages,

Bryoria fremontii

Multiple Species

Artenusua spp

Huckleberry,

Serviceberry,

Wild thimbleberry,

Vaccinium spp

Amelanchier alnifolia

Rubus spp

Foamberry,

Woods strawberry,

Ponderosa Pine,

Shepherdia canadensis

Fragaria virgiana

Pinus ponderosa

Cedar,
Thuja plicata

3.5 Range Management
Range Program Operations
The “Louie Creek” forest project area includes large portions of both the USGS Hydrologic Unit
(HUC) “Bridge Creek” and the “Louie Creek” HUC, with some blocks located in the “Iron
Creek” HUC. The “Louie Creek Natural Resource Project” proposed treatment blocks are
dispersed throughout the forest project area and intersect with parts of Range Unit 19. Range

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pg. 13

Unit 19 is a Range Unit currently permitted for livestock grazing, with approximately 25 pairs of
livestock permitted in the project area from May 15th to November 1st.
The Louie Creek Forest project area receives on average 16”-30” of precipitation per year with
most in the form of winter snow. The change in precipitation values generally follows the change
in elevation values from near 3,600 ft at the most Southern portion of the project area to 4,200 ft
at the Northern portion of the project area.
The NRCS database lists seven forest habitat types in the blocks proposed for treatment. The
four most occurring habitat types are listed in order below. The most notable shrub species listed
are common snowberry, mallow ninebark, and bearberry. Most common understory grass species
in this area is pinegrass with Idaho fescue.
Douglas-fir/ninebark, pachistima
Grand Fir/Twinflower
Douglas fir/snowberry
Douglas Fir/Pinegrass, Bearberry

4.0 Environmental Consequences
Summary Table of Issues Indicators
Table 8. Summary table of issue indicators for goals and objectives.

Resource Issue

Issue Indicator

Alt. A

Alt. B

Vegetation Forest Health
/Timber

Acres Treated

0

1,662 acres Harvest
2,302 acres PCT
920 acres Tree Planting

Support of Tribal
Wood Processing

Timber Volume
for Processing

0

19 MMBF
1,662 acres MPB, BB

Tribal Income

Projected
Stumpage

$0

$1,900,000 – $2,280,000

4.1 Forestry
Impacts to Forestry Resources Alternative A: No Action
Under Alternative A, no activity would occur. CTCR would not generate revenue from their
timber. The San Poil Forestry District would have reduced funds needed to plant trees, thin trees,
and collect cones for seedling production. Economic development does not occur and there
would not be work for the tribal membership. Cost to maintain and improve the road network
would not be incurred. Forest health would continue to decline over time as these issues would
not be addressed with silvicultural treatments. Tree mortality would continue to increase.
Suitable conditions for Douglas-fir would continue to develop and encroachment would
continue. The Louie Creek area would trend towards a condition where overstocking increases
the risk of insect outbreak, spread of tree born disease and an increasing risk of wildfire as
surface and standing fuels accumulate.

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pg. 14

•
•
•
•
•
•
•
•
•
•

The Louie Creek would move farther away from the Desired Future Conditions described
in the Plan for Integrated Resource Management.
Forest health would decline.
Reforestation would not occur or be diminished.
Wildfire prevention/mitigation would not occur.
Increased risk of disease, insects, drought, and wildfire.
The Colville Tribe would not generate revenue.
The Colville Tribe would fail to meet the AAC of 77.1 MMBF.
Forest Management program funds would receive revenue.
Industry employment would not be generated.
Forest roads would not be improved by limiting access to CTCR lands for tribal
members.

Impacts to Forestry Resources Alternative B: Proposed Action
•
•

•
•

•
•
•

•

Revenue generation of $1,900,000 to $2,280,000 for the Colville Tribe with a harvest of
19 MMBF
Species composition on 3,964 acres would shift conditions favorable to ponderosa pine
and western Larch dominance after removal of trees in both commercial and precommercial treatments
Forest health would improve, diseased trees would be removed, and disease-resistant
species would be regenerated naturally and with planting
Understory Douglas-fir, grand fir, lodgepole pine encroachment would be piled and/or
burned, reducing the risk of severe wildfire and preparing the site for regeneration of
desirable species
Density would be reduced in overstocked stands, increasing health and vigor in reserve
trees
Desired Future Conditions outlined in the IRMP would continue to increase over time
Improved road conditions with 1.84 miles of new road construction to facilitate logging,
9.39 miles of existing road would receive maintenance, and 2.18 miles of road would be
reconstructed
Hazard fuel treatment on 1,662 acres (broadcast burned and mechanical pile), reducing
wildfire risk to homes and other Tribal property and other resources

Some of the potential negative impacts that a timber sale may create, include the following:
Visual landscape changes or disturbances would occur; man-made “signs” (ribbon, tags, paint)
are introduced into the area to guide the forest management; noise and dust are created from
logging operations; existing vegetation is temporarily disturbed, but their resiliency to
disturbances would allow them to come back; skid trails and landings are created; woody slash
material is created.

4.2 Hydrology
Impacts to Hydrology Resources Alternative A: No Action

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pg. 15

The no action alternative would allow for the natural ecological process to continue. Stream
channel hydraulics and associated riparian vegetation would not be impacted by harvest related
activities. Effective ground cover and hydraulic roughness would remain, continuing to provide
overland flow attenuation and prevent nonpoint source pollutant delivery to downslope
watercourses. Retention of mature vegetation would continue to provide canopy interception and
reduced rain splash erosion. Infiltration would remain high, and rill and scour erosion would
remain minimal. Additionally, soil structure would be maintained in the current state. All
methods of timber harvest, ground- or cable-based, result in some amount of soil disturbance.
Soil compaction generally occurs in locations where machinery tracks have traveled (particularly
in wet conditions), while destruction of soil structure and subsequent sediment mobilization
generally occurs as a result of ground-based operation on steep slopes and a lack of traction.
Transport of trees by logging equipment also results in soil disturbance and transportation. These
effects would be avoided through the No Action Alternative, maintaining soil structure, density,
and productivity.
Road density would be maintained at the current level under the No Action Alternative. Existing
road density in all WMUs in the project area are higher than the desired condition outlined in the
IRMP; however, in the Bridge Creek and Iron Creek WMUs where road reconstruction and new
construction would occur, this number is still lower than the density that would be achieved as a
result of the preferred alternative (desired: 4.0 mi/mi2; current: Bridge Creek: 5.62 mi/mi2, Iron
Creek: 5.96 mi/mi2).
The No Action Alternative would also not involve reconstruction of any existing roads, allowing
existing vegetative cover and stability to be maintained. Maintaining the lowest road density (i.e.
the existing condition) would provide the closest approximation of natural hydrologic conditions,
between the two scenarios. High road densities are detrimental to watershed hydrology primarily
due to the interception and diversion of water from natural flow paths. When water flowing
down a hillslope is intercepted by a road prism, ditch, blocked or undersized culvert, or other
infrastructure, that water is generally diverted or lost to evaporation, rather than continuing as
overland, shallow subsurface, or groundwater flow. As climate change advances, it becomes
increasingly important to retain water on the landscape. High road density contributes to the loss
of water on the landscape through decreased infiltration and increased evaporation, and each
additional road increases these effects.
Existing roads in the Louie Creek project area are maintained to various levels of stability. 147
existing segments, with a total length of 35.88 miles, were identified for review; segments were
selected for review if they were within or adjacent to swales, draws, wetlands, streams, or other
aquatic resources. Additionally, some segments had previously received restoration treatment,
and were identified to prevent unauthorized use. Under the No Action Alternative, none of these
segments would be reconstructed, and use would not increase. However, segments that have not
been maintained may continue to be at risk of failure, and crossings obstructing flow and fish
passage would continue to do so.
Water Resources – No Action Alternative
Under the No Action Alternative, there would be no changes to surface water, wetlands, or
floodplains, and no major direct, indirect, short-term, long-term, or cumulative impacts to water
resources anticipated.
Impacts to Hydrology Resources Alternative B: Proposed Action

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pg. 16

•
•
•
•

1.84 miles of new road construction and 2.18 miles of road reconstruction
0.24 miles of new construction and 0.08 miles of reconstruction within 200 ft of hydrologic
features
Harvest activities within 200 ft of streams – 309.61 ac
Harvest activities within 200 ft of wetlands – 18.06ac

The proposed action would involve 1,662 acres of timber harvest. Throughout the project area,
these activities overlap and abut streams and wetlands, with 327.67 acres of harvest activities
within 200 feet of wetlands and streams.
Harvest operations, including the use of heavy machinery to fell and skid timber, cause soil
compaction and erosion; additionally, as a result of decreased vegetation, interception,
infiltration and water use are decreased, and a greater volume of water occurs as overland flow.
This can result in great sediment transportation to downslope streams and wetlands, resulting in
decreased water quality. Additionally, harvest operations create linear features such as skid trails.
If oriented parallel to the slope, or located in swales and topographic low points, these linear
features channelize water, and lead to rill and gully erosion, sediment transportation, and road
failure. These effects can be minimized by locating skid trails perpendicular to slope direction,
and through the use of cable logging rather than ground based harvest systems, particularly on
steeper slopes.
All road construction and use associated with proposed timber harvest activities would lead to
soil disturbance and loss as well as alteration of watershed hydrology (Hunner 2014).
Specifically, road miles within 200 ft. of surface water are statistically likely to deliver
sediment/erosion to surface water (Dubé et al, 2004). Road reconstruction and new construction
effects on water quality, hydrologic processes, and aquatic habitat would be the longest-ongoing, longest-lasting, and highest-degree negative impacts resulting from the proposed action.
The use of heavy machinery to create and redo roads would result in immediate sediment
delivery to adjacent waterbodies. Additionally, reconstruction results in soil compaction and
disturbance, both of which are causes of decreased soil health, eventual runoff channelization
and continued erosive losses. Repeated improper reconstruction procedures that fail to
reincorporate disturbed material into the road prism create linear features that channel water
away from natural water features. When these features are created adjacent to streams, heavy
flow events can cause the relocation of the active channel into the road prism, creating a safety
hazard, and drastically altering the natural hydrology of the area.
The impacts from the proposed project to the affected environment are multi-faceted. Harvest
impacts include: alterations in flow paths due to skid trail creation and machinery operation;
reduced infiltration and increased erosion due to soil compaction from machinery operation;
increased sediment and nutrient delivery to surface waters; loss of wetland and riparian
vegetation; and potential delivery of herbicide to surface waters, among others.
Prior to initiation of harvest, calculation of exact miles of skid trails is not feasible. However,
impacts can be estimated through looking at the number of blocks and acreage of harvest
impacts. 1,662 acres, across 21 blocks, are proposed for ground based (tractor and cable assist)
harvest. Blocks range from approximately 1,500 to 4,000 feet in width oriented perpendicularly
to the hillslope. Assuming an average block width of approximately 2,000 feet (a conservative
estimation), with average skid trail spacing of 100 feet (as required by Colville Tribal Code 4-7
Forest Practices), over 420 skid trails would be created in blocks prescribed for ground based
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pg. 17

harvest. This estimation is fundamentally imprecise, but allows an estimate of magnitude.
Additionally, 327.67 acres of proposed ground based harvest would occur within 200 feet of
hydrologic features. The potential for sediment and nutrient delivery to surface water via skid
trail creation is elevated in these acres.
Tethered logging, which involves the use of a winch for assistance in machinery operation of
slopes, is proposed for 326.44 acres of blocks. Existing Tribal Code does not allow for operation
of ground based harvest systems on slopes over 35% due to potential soil impacts, recognizing
the increased magnitude of machinery impacts as slope increases. However, tethered logging has
been adopted for use on slopes up to 70%, to increase efficiency and decrease costs of harvest.
Where any ground based harvest system is used on vulnerable soils, the potential for compaction
and erosion is increased. When these factors are combined with steep slopes and proximity to
aquatic resources, the potential for sediment delivery and resource damage is high. 95.47 of these
acres are located within 200 feet of hydrologic features (streams and wetlands), increasing the
potential for sediment delivery due to the combination of ground based operation and steep
slopes.
Road development and use impacts include: alterations in flow paths due to the creation of linear
landscape features (roads) perpendicular to natural slopes; reduced infiltration and increased
erosion due to the creation of impervious or resistant surfaces; and increased transport of vehicle
associated contaminants (including 6PPD-q, hydrocarbons and carbon monoxide from exhaust,
etc.), among others.
Proposed reconstruction and new construction in the Louie Creek project area would occur on
4.02 miles of road. The proposed haul route for logging vehicles to transport logs to the mills
includes an additional 50 miles of paved road to the northern boundary of the Reservation,
primarily on State Route 21, Bridge Creek Road (Ferry County Road 8020), and IncheliumKettle Falls Road. 0.32 miles of reconstruction and new construction would occur within 200
feet of surface water. High road densities detrimentally affect water retention on the landscape,
creating interception points that redirect flow from reaching creeks, streams, and wetlands.
Abandonment and revegetation of roads can mitigate some of the effects of high road density,
improving infiltration and decreasing overland flow, but retention of road prisms, nonnative road
bed material, and artificial crossing structures such as culverts would continue to alter hillslope
hydrology regardless of vegetation establishment. Additionally, studies have shown that the
chemical 6PPD-quinone, used in the manufacture of rubber tires, can cause acute mortality in
salmonids, including rainbow trout (Oncorhynchus mykiss), found in streams across the Colville
Reservation. Roads in proximity to salmonid bearing waters may result in 6PPD-q related
effects.
Therefore, the action in this area would have direct physical changes on the environment. The
Proposed Action Alternative approval would have cumulative effects resulting from road
construction and timber harvest. The associated effects are discussed in Section 4.7 of this EA.
Water Resources Impacts – Proposed Action
Surface Water:
The proposed alternative would generate sediment through the creation of skid trails, increase
overland flow through the removal of vegetation, and create interception points through the
construction and reconstruction of roads. 10 culvert installations or replacements are proposed.

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pg. 18

Road miles and road density in the project area would increase due to the 1.84 miles of new road
construction.
Wetlands:
The proposed forestry activities would have minimal impact to wetland ecosystems through soil
disturbance, hydrological alteration, and disruption of vegetative community. Field observations
of National Wetlands Inventory mapped wetlands in the northern portion of harvest block
350064 and associated new construction road do not provide sufficient wetland indicators
beyond the confined stream channel, so these map units were not included in calculations. 18.06
acres of ground-based harvest activities occur within 200 feet of wetlands and there is no record
for forestry associated road work within 200 feet of wetlands.
Floodplains:
NOAA mapping indicates an extensive 100-year floodplain associated with Bridge Creek and
Louie Creek. Due to the steep slopes in the rest of the project area, tributaries to Louie Creek and
Iron Creek are generally confined, and do not have associated floodplains. Blocks and roads
proposed for this project do not encroach on the 100-year floodplain of Louie Creek, and only
one existing road approach would impact the floodplain associated with Bridge Creek.
Direct Impacts – Short-Term
Surface Water:
Timber harvest activities are likely to result in short term impacts to surface water quality
through the generation of sediment. Turbidity has previously been an issue in Louie Creek; this
is may occur immediately following timber harvest, which would result in detrimental effects on
aquatic organisms. Increased heating of surface water, particularly in headwaters and tributaries,
is likely, due to removal of vegetative cover; this is a more likely impact, due to concentration of
blocks in headwater areas. Degradation of temperature and turbidity metrics would likely be
short term impacts of timber sale activities. Road construction and reconstruction is responsible
for interruption of natural landscape hydrology, creating diversion points perpendicular to
hillslopes. These diversions result in altered flow paths, increased evaporation, and increased
sedimentation. Short term water quality would likely decrease for these reasons as well. These
impacts would be sustained over the duration of the project, approximately five years.
Wetlands:
Extensive tree removal in Seed Tree Rx Blocks 352010 & 350064, adjacent to CTCR Wetland
E.SPL_132, along the NE Louie Creek Tributary, is predicted to contribute to short-term rise in
local water tables which influence the timing and seasonal persistence of surface water, interrupt
pollutant processing capacity of the wetlands, and disrupt growth habits of wetland vegetation.
Floodplains:
Short term impacts to floodplains would be contained to the road approach for the existing road
crossing Bridge Creek. Sediment delivery to Bridge Creek is possible, but, with the utilization of
Best Management Practices, the area of impact should be minimized.
Direct Impacts – Long-Term

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pg. 19

Surface Water:
Long term impacts to surface water would continue until vegetation is established and disturbed
areas are stabilized. As skid trails and roads are seeded with herbaceous vegetation, soils would
become more stable, and water quality would gradually return to pre-harvest conditions. As
larger vegetation and trees establish, surface water quantity would decrease with increased
evapotranspiration. Depending on the duration and severity of impacts to natural hillslope
hydrology, flow paths may be permanently altered by the creation of skid trails and roads.
Additionally, roads would not be deconstructed at the conclusion of the sale. Therefore, road
density impacts on interception and diversion would persist, and road use would continue into
the foreseeable future. Crossing structures would also not be removed, and impacts from
improperly installed or sized structures would continue to impact water quality in the long term.
Additionally, any road use over streams would continue to deliver sediment and contaminants to
the surface water at the crossing.
Wetlands:
There is no record of new or reconstructed road proposed within 200 feet of wetlands in the
Louie Creek project. However, over the long-term, the construction and use of forestry-related
roads contributes to increased risk of sedimentation in surface waters that may be delivered to
the approximately 612 wetland acres throughout the project area with potential increases in
nutrient and pollutant delivery as well as degrading wetland function, water quality, and habitat.
Floodplains:
The crossings on Bridge Creek and its floodplain is a permanent action; this road would continue
to be used after the conclusion of the sale, and sediment delivery would continue to occur,
particularly as the road would not be maintained for haul operations. In the long term, relocation
of this road should occur, as these would become chronic sediment delivery impacts.
Cumulative Impacts
Surface Water:
As discussed above, three other timber sales have occurred in the Lower San Poil RMU in the
past 5 years. Between these three sales (McAllister, Keller Ridge, John Tom), 7,365 acres were
harvested. The Louie Creek project would add an additional 1,662 acres of timber harvest in the
drainage. Each acre of timber harvest results in sediment generation, nutrient transport, and
hydrologic alteration.
Wetlands:
Increased runoff and sedimentation associated with ground-based harvest systems and road
construction, reconstruction, and forestry related road use are expected to have cumulative
systemic impacts to the wetlands adjacent to harvest blocks as well as the downstream wetlands
associated with Louie Creek as well as Bridge Creek and subsequently the Sanpoil River. The
Louie Creek project would occur simultaneously with BIA Land Operations grazing permits in
Range Units 3, 19, 42, and 80. There are few grazing controls identified for range practices along
creek associated wetlands or isolated wetlands throughout the project area. Cattle impacts
including wetland soil disruption and biological impacts would be exacerbated by forest
practices contributing to excess sedimentation and nutrient inputs.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 20

Floodplains:
No additional impacts to the Bridge Creek floodplain have been documented prior to this project.
Therefore, there are no likely cumulative impacts from the proposed action.

Water Resource Impact Conclusions
Table 9. Water Resource Impact Summary from proposed action.

Water Resource
Type
Surface Water
Wetlands

Floodplains

Short-Term Direct
Impacts
Yes
Yes

Yes

Long-Term Direct
Impacts
Yes
Yes

Yes

Cumulative
Impacts
Yes
Yes

None

The project would result in short term impacts to soil and surface water, particularly within the
top 12-24 inches. Long term impacts (after the conclusion of the project) would be minimal as
vegetation reestablishes and stabilizes slopes. However, the cumulative impact of the project, in
conjunction with previous timber sale impacts, would impact water quality and quantity
throughout the Lower Sanpoil River RMU. The Proposed Action would result in short term and
cumulative impacts to water resources including surface water and wetlands.

Resource Use Patterns
Transportation Networks:
The existing transportation network on the Reservation consists of nearly 10,000 miles of road
managed under multiple jurisdictions, maintained to varying degrees of stability. Within the San
Poil district, major travel corridors include State Route 21 (Washington State DOT), Cache
Creek Road (Okanogan County Public Works), and Bridge Creek Road (Ferry County Public
Works), among others (Colville Tribal DOT, BIA DOT, etc.). Additionally, the district contains
multiple thousands of miles of forest roads, which do not fall under any of the above
jurisdictions, and therefore do not receive any maintenance. These roads are primarily used for
timber harvesting, fire suppression, and member access for hunting, fishing, and gathering. In
addition to this multi-jurisdictional network, there are over 3,300 stream crossings.
Direct Impacts Short-Term
The Louie Creek timber sale project proposes the construction of 1.84 miles of new road, and
2.18 miles of reconstruction of existing forest road. The use of these roads for timber sale
operations would result in short-term impacts to the existing transportation network through
physical degradation of roads. Large vehicles carrying heavy machinery and loads of logs cause
road quality to deteriorate. This would occur throughout the life of the project.
Direct Impacts Long-Term
The existing roads network is not well maintained; creation of new roads and reconstruction of
existing roads would decrease the amount of maintenance that can be allocated to existing
segments, and cause road quality to deteriorate over time.

4.3 Fish and Wildlife
Impacts to Fish and Wildlife Resources Alternative A: No Action

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 21

The “no action’ alternative would not have adverse effects on fish and wildlife habitat in the
project area. Leaving the timber intact would allow the area to follow natural succession patterns
and would benefit wildlife species both terrestrial and aquatic. Fires and/or insect/disease die offs
could affect the project area but the timing and severity of these disturbances is not known.
Natural disturbances may even benefit fish and wildlife species by increasing habitat values.
Overstocked and diseased stands may show a decline in value for some species of wildlife.
Impacts to Fish and Wildlife Resources Alternative B: Proposed Action
The Proposed Action would have impacts on fish and wildlife species and habitat within the
project area. Removal of timber from 1,662 acres could have negative impacts on wildlife
populations that use the habitat in the project area to meet their life requirements. Impacts to the
habitat within the project area could include but are not limited to: an increase in soil compaction
and ground disturbance, an increase in open road density, an increase and introduction of
noxious weeds, the creation of large openings, a decrease in water quality, degradation of
instream and riparian habitats, a reduction and loss of large diameter snags, future snags and
large diameter downed wood, a deterioration or loss of mature and old growth coniferous forest,
a loss of large diameter trees, a decline or loss of wildlife travel corridors, a decrease in hiding,
escape and thermal cover, and a reduction in canopy cover.
These changes to the habitat structures and functions within the project area could have effects
on a variety of wildlife species. The implementation of this project could decrease effective
wintering, calving and summer/fall range for resident and migrant big game species, reduce the
amount of suitable habitat for pileated and white headed woodpeckers, reduce the quality and
quantity of instream and riparian habitat and impact the ecological function of aspen stands
wetlands, seeps, and springs.
Some wildlife and habitats may benefit from the effects of timber management. Opening the
forest canopy would encourage the growth of shrubs and forbs. This increases the forage values
for big game species and other early seral species. These areas would be utilized as long as
nearby hiding/escape cover is retained.
Timber harvest would result in a loss and reduction of mature and old growth coniferous forest,
future and large diameter snags and large diameter downed wood. This would result in a loss of
functional habitat for those species that depend on late seral habitat components such as primary
and secondary cavity nesters, bats, and amphibians and reptiles.
Timber harvest would increase ground disturbance and allow for the establishment of noxious
weeds that would compete with native vegetation. The loss of native vegetation would reduce
habitat quality for desired wildlife species.
Timber harvest has the potential to impact the ecological function of aspen stands, wetlands,
springs, and seeps due to soil compaction, excessive ground disturbance, herbicide application,
inadequate riparian buffers and other ground and vegetation disturbances. Aspen stands may be
regenerated by the ground disturbance of logging practices and the removal of conifers from
suppressed stands.
Timber harvest activities near and adjacent to streams would reduce the quality and quantity of
instream and riparian habitat that provides important seasonal ranges, travel corridors and
breeding habitat to a high density and diversity of unique or dependent species. Increased

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 22

sediment delivery to streams would decrease water quality and affect amphibians and other
wildlife species that utilize those areas.
Effects of roads and skid trails on wildlife and their habitats include direct loss of habitat, habitat
fragmentation, road kill, increased hunting/poaching mortality, increased predation, road
avoidance, increased edge, and reduction in the suitability of habitat for use by wildlife (Demers
2006).
Protection Measures
The CTCR IRMP states that total road density would be reduced to less than 4 mi/ mi2, with
open road density to be reduced to less than 1.5 mi/ mi2 wherever feasible across the
Reservation. It is the suggestion of the Fish and Wildlife Department that unnecessary segments
and reconstructed roads should be closed to adhere to the IRMP goal of 4.0 mi/mi2. All new
roads should be considered for closure to comply with the roads target.
The proposed action of the Louie Creek project falls within four of the Reservation WMUs
which include Bridge Creek WMU, Louie Creek #1 WMU, Upper Nine Mile WMU, and Jones
Creek WMU. The CTCR IRMP states that total road density would be reduced to less than 4 mi/
mi2, with open road density to be reduced to less than 1.5 mi/ mi2 wherever feasible across the
Reservation. Road densities on the Reservation are calculated using the WMU boundaries.
Currently all of the WMU’s are above the IRMP road density objective. This road density layout
is an over estimation of the current road system within the project area. It is unknown if all the
roads are drivable, non-drivable, or closed. Alternative B is recommending 1.84 miles of new
construction and 2.18 miles of reconstruction. Road closure locations are located in Appendix B.
These are approximate locations and field verified locations would need to be determined by
staff from the Wildlife and Forestry Departments. The Alternative B new road density is in Table
10.
Table 10. Road Density of WMUs following implementation of the proposed action.

WMU
Bridge Creek
Louie Creek #1
Upper NineMile
Jones Creek

Proposed
New Rd
(mi)
190.28
1.38
75.46
0.46
66.02
0
47.97
0

Roads
(mi)

Proposed
Total Rd
Recon Rd
(mi)
(mi)
0.89
191.66
1.28
75.92
0
66.02
0
47.97

WMU
(mi2)
30.4625
10.67
9.25
6.31

Road
Density
(mi/mi2)
6.2917
7.1153
7.1373
7.6022

Federally Threatened and Endangered Species
The BIA and Tribal wildlife biologist determined that the proposed actions and associated
activities would ‘No Effect’ to threatened or endangered species, or candidate or proposed
species, or suitable or critical habitat within the action area. The basis for the determination is
summarized below for each species:
•

Yellow-billed Cuckoo, Coccyzus americanus, Threatened. The yellow-billed cuckoo
is a migratory bird that overwinters in South America, and nests in portions of the
central United States. Per WDFW, breeding likely ended in the state of Washington
by the 1940s. There have been no known sightings on the Colville Reservation.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 23

•
•

•
•

Canada Lynx, Lynx Canadensis, Threatened. Canada Lynx inhabits boreal and
subalpine forests above 4,000 feet within the western United States. Canada Lynx
predominately rely on snowshoe hare (Lepus americanus) for survival.
Bull Trout, Salvelinus confluentus, Threatened. There are no records of Bull Trout
documented in the Louie Creek project area. Historical presence of Bull Trout in this
tributary system is unknown; however, they are believed to be extirpated, and there is
no designated critical habitat in or near the project area.
Monarch Butterfly, Danaus plexippus, Proposed Threatened. Monarch butterflies are
not currently federally listed under the Endangered Species Act; therefore, no Section
7 determination is required.
Suckley’s Cuckoo Bumble Bee, Bombus Suckleyi, Proposed Endangered. Suckley’s
Cuckoo Bumble Bee is not currently federally listed under the Endangered Species
Act; therefore, no Section 7 determination is required.

Resource Use Patterns
Hunting, Fishing, Gathering
“The Tribes regulate the harvest of wildlife resources within the aboriginal territory of the
Colville Tribes. In regulating wildlife and recreation resources of the Reservation, tribal
members are afforded the greatest possible freedom to use and enjoy these resources, consistent
with the preservation and improvement of these resources for future generations. Wildlife found
on the Reservation may be taken only at such times, in such places, and in such a manner as
provided by tribal law” (CTCR 2015).

4.4 Cultural Resources
Impacts to Cultural Resources Alternative A: No Action
Although there may be a number of direct and indirect effects to the Reservation’s resources
from the implementation of Alternative A, it is important to recognize that cultural resources are,
for the most part, non-renewable resources. The ‘No Action’ alternative would have a number of
various effects to the known cultural resources identified within the project area.
The historic exclusion of fire on the Reservation has resulted with an overabundance of
vegetation. Although Alternative A would leave the timber intact and allow for natural
succession patterns; overstocked and diseased stands have increased ladder fuels which must be
addressed by current management practices.
Potential impacts of Alternative A include vegetation encroachment to sites which exhibit
surface features. This encroachment may reduce visibility of the site, potentially affecting its
integrity and increasing the likelihood of adverse effects to it from wildland or prescribed fire.
Invasive non-native plant species within this area would likely perpetuate and increase,
competing with native plant species of traditional and cultural significance. The ‘No Action’
alternative may also cause physical damage to sites from snags or trees falling upon them,
dismantling, destroying or otherwise impacting surface features. Fallen trees may also expose
buried subsurface cultural materials, which otherwise would have remained intact.
Impacts to Cultural Resources Alternative B: Proposed Action
There are currently twelve archaeological sites, two TCPs and one cemetery recorded in the
Louie Creek APE. Although there has been no official determination of National or Colville
Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 24

Register eligibility for these sites, all eighteen appear to be eligible. These sites may be
considered eligible for the National Register of Historic Places, as described in 36 CFR Part
60.4. The ‘Proposed Action’ would result in No Adverse Effect to these sites as long as the
prescriptions remain the same and that ground disturbance stays to minimum.

4.5 Range Management
Impacts to Range Resources Alternative A: No Action
This alternative would have no disturbance impact on the current plant community condition.
The No Action Alternative, being a management decision, would also not address the forest
health concerns identified in the proposal. Degraded forest plant communities would remain in a
degraded state.
Impacts to Range Resources for Alternative B: Proposed Action
Harvest disturbance within forested plant communities often benefits plant community health by
reducing potential for disease, insects, and wildfire effects. Reducing canopy densities can also
release understory plants that have been suppressed by overstocked conditions. Desirable natural
understory plants are usually adept at recovery with the type of soil disturbance that normally
occurs with harvest. Areas of concern may be landings, skid trails, roads, and pile burning sites,
all areas where activity may create highly disturbed soil conditions or a change in soil fertility
properties. The potential of increased soil disturbance in these areas may hinder the recovery of
desirable understory plants and increase the possibility of establishing new invasive and noxious
weed populations.
The annual precipitation for the blocks in this proposal is 16” to 30” annually. This broad range
of average annual precipitation can cause variable potential for the rapid recovery of forest native
understory species. Areas of high soil disturbance in the lower end of the precipitation range can
be slow in recovering naturally allowing more competitive invasive noxious weed populations
the opportunity to become established. Once established many invasive and noxious weeds can
outcompete the natural vegetation. If highly competitive undesirable plants become established,
they are often hard to eliminate. New patches of persistent competitive invasive weeds also
provide a future seed source for further spread in the area.
The most common forest habitat type represented in the project blocks is Douglas-fir with
pinegrass as the component understory grass species. Pinegrass is also very common in the other
habitat types represented in the treatment blocks. Pinegrass is a resilient species and should
naturally recover except where the soil profile has been highly mixed. Also common in this area
is Idaho fescue, Columbia brome, and blue wildrye. If seeding should be determined to be
needed to assist in recovery Idaho fescue and Columbia brome should be considered for a seed
mix depending on the forest habitat type targeted.
Post treatment monitoring of understory recovery should occur. If monitoring determines a need,
inputs in the form of native plant seeding and/or herbicide treatment should be considered to
assist in the recovery. Intermediate wheatgrass and Siberian wheatgrass should not be used for
ground cover as they are nonnative, persistent, and highly competitive. These nonnative species
although classified as forage plants seem to be less preferred to wildlife and livestock. Grazing
animals would go to the more preferred native plants first increasing the grazing pressure on
those plants. If something is needed to quickly provide ground cover, there are alternatives to
consider that are less competitive and do not persist for more than a couple years. These
Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 25

alternatives may also provide a nurse crop benefit to native plants that germinate from native
seed planted. If the project manager determines a need for herbicide treatment and/or seeding the
Land Operations department can offer suggestions for herbicide treatment and seed mix if
assistance is needed.
Range Program Operations
Within forest project areas grazing is a secondary land use but is important to CTCR livestock
owners for success in their economic venture. Grazing can also provide positive impacts by
reducing accumulated fuel and reinvigorating grasses. Rangeland structural resources such as
fences, watering facilities, and cattle guards are an important component to the sustainable
stewardship of land designated for grazing and are very expensive to replace. The proposed
treatment blocks for this project are located within the Northern portion of Range Unit 19. The
Range Programs infrastructure GIS layer indicates very few structural assets associated with RU
19 that would likely be encountered during this project. Fences and cattle guards are of particular
concern. CTCR Range Program asks that when range infrastructure is encountered such as cattle
guards, watering facilities, and fences they be avoided as much as possible.
Noxious Species
Logging and related activities can introduce new invasive species to a site via uncleaned
equipment and soil disturbing activities or cause currently present invasive species to spread
more rapidly. In order to insure the action would not contribute to the introduction, continued
existence, or spread of noxious weeds or non-native invasive species known to occur in the area,
or promote the introduction, growth, or expansion of the range of such species, cleaning
equipment prior to using on site, washing equipment in a centralized area, re-seeding heavily
disturbed sites such as skid trails and landings is required. Monitoring of understory recovery
should occur and if monitoring determines a need, inputs in the form of native plant seeding
and/or herbicide treatment should be considered to assist recovery, giving a competitive
advantage to desired plant species. If the project manager determines a need for herbicide
treatment and/or seeding the Land Operations department can offer suggestions for herbicide
treatment and seed mix if assistance is needed.

4.6 Air Quality
Impacts to Air Resources for Alternative B: Proposed Action
Timber harvesting influences air quality, particularly through the emission of particulate matter
(PM). PM, a blend of solid particles and liquid droplets, permeates the air, originating from both
natural and human-made sources.

4.7 Cumulative Impacts
In addition to the Louie Creek timber harvest, three other timber harvests have occurred in the
Lower San Poil RMU in the past five years. This results in cumulative stress on the existing and
proposed transportation network through the use of heavy machinery and large vehicles.
Short- and long-term direct impacts and cumulative impacts to water resources have been
identified with the proposed Louie Creek Timber Sale project. Implementing the proposed action
would result in new and cumulative impacts to water quality and wetlands. Mitigation measures
to attenuate these impacts are outlined in Section 5.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 26

A complete analysis of cumulative impacts is detailed in the CTCR IRMP FEIS.

4.8 Social and Economic Impacts
The median household income on the Reservation according to the 2010 US Census was $35,
534. The CTCR’s natural resource management plays an important role in the local regional
economy on and off the Reservation. The Forestry, logging and milling industry accounts for
20% of the working population in the Region of Okanogan and Ferry Counties (CAR 2018). The
CTCR itself is the single largest employer in both Ferry County and Okanogan County (CAR
2019). The communities benefit from the CTCR Natural Resource Management not only directly
through employment but also the social programs funded directly from Tribal expenditure of
funds generated through Timber Harvest. More detailed discussion of the population dynamics
and social and economic impacts of CTCR’s natural resource management can be found in the
CTCR IRMP FEIS (CAR 2018).

5.0 Mitigation for Resource Protection
Soil and Water
Operators must ensure that all Best Management Practices (BMP) and standards for timber
harvest identified in Colville Tribal Code (CTC) Chapter 4-7: Forest Practices are followed in
order to minimize hydrologic disturbance resulting from actions taken under this alternative.
During road construction and reconstruction Planners and Operators must ensure that new/reconstructed roads meet the BMPs and standards for roads identified in CTC Chapter 4-7: Forest
Practices, and CTC Chapter 4-9 Hydraulic Projects if doing any culvert/bridge work. By meeting
these BMPs Planners and Operators would minimize the water quality, hydrologic process, and
aquatic habitat degradation associated with roads as a result of the actions taken under this
alternative. The transportation plan developed by the consultant incorporated input from the
Environmental Trust Department regarding stream adjacent roads, new road locations, and
culvert sizing and placement. The Forest Roads Engineer should continue to work with the
Watershed Restoration Program to remove any unnecessary road construction, and determine
where roads can be closed or decommissioned to reduce road density.
A preliminary transportation memo was distributed on 2/25/25 identifying roads that should not
be used due to stream or wetland adjacency. These segments were then field verified, and
adjustments were made accordingly. Several segments identified for review overlapped with
roads proposed for use in the sale; however, after field assessment, most of these segments were
deemed to not pose a risk to aquatic resources.
A layer was also provided of all restored roads within the project area, including
decommissioning, closure, and permanent abandonment. In the original preliminary
transportation memo, the following was stated: “The Restoration Program has completed several
projects in and around this timber sale area, including the 2015 East Sanpoil Watershed
Restoration project, and the 2018 25 Mile, Deadhorse, and Bridge Creek Watershed Restoration.
Seven road segments included in the 2015 project and two segments from the 2018 project are
within or directly adjacent to the Louie Creek sale area; these roads have been decommissioned
or permanently abandoned, and are not available for use.” None of the roads treated by the
Restoration Program have been proposed for use.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 27

In order to mitigate for impacts to soils from compaction, as well as risks to aquatic resources
from sediment mobilization and transportation to surface water from ground based harvest
methods (including tethered logging), the following mitigations were developed:
Table 11. Soil Compaction and surface water mitigation requirements.

Std_ID

Acres

Rx

Synthesis Recommendation

350017
350031
350039
350021

86.1203
124.598
48.6701
105.554

SW
OSR/SW
SW
CT/UN

352192

93.3068

ST

winter harvest preferred
locate landing FID 26 out of swale
keep landing FID 72 out of swale
winter harvest preferred
specify location of skid trail
Locate landing FID 67 outside of RMZ

Planners and Operators should develop practices that would effectively mitigate for increased
road surface erosion. Such practices should include a plan for permanent road decommissioning
to meet the IRMP objectives and comply with CTC Forest Practices Code.
Per Colville Confederated Tribes Law and Order Code [CCT 4-7-67(e)] Riparian Management
Zone buffers are required for wetlands. No harvest activities, movement of equipment or
vehicles, nor staging of materials or waste, should occur within the wetland or wetland RMZ
buffer. Wetland ecosystem presence and extent proximate to proposed harvest blocks has been
derived from National Wetlands Inventory (NWI) data. NWI mapping is a service of the U.S.
Fish and Wildlife Service and is conducted via remote sensing techniques which require field
verification for jurisdictional purposes. The project proponent is responsible for assuring all
wetlands are properly buffered based on ground conditions. The proposed forestry activities would
have minimal impact to wetland ecosystems through soil disturbance, hydrological alteration, and
disruption of vegetative community.
Field observations of National Wetlands Inventory mapped wetlands in the northern portion of
harvest block 350064 and associated new construction road do not provide sufficient wetland
indicators beyond the confined stream channel, so these map units were not included in calculations.
No road work and approximately 18 acres of harvest will occur within 200 ft of wetlands. Soil and
surface water mitigation requirements in table 11 were recommended to decrease soil erosion into
wetlands. Road segments identified in the Preliminary Transportation Analysis and field verified as
impacting wetlands were avoided. Extensive tree removal in Seed Tree Rx Blocks 352010 & 350064,
adjacent to CTCR Wetland E.SPL_132, along the NE Louie Creek Tributary, is predicted to
contribute to short-term rise in local water tables which influence the timing and seasonal persistence
of surface water, interrupt pollutant processing capacity of the wetlands, and disrupt growth habits of
wetland vegetation.
Table 12. Wetland RMZ requirements.

Block

Wetland

Location

CCT Water
Type

352010
350064

E.SPL_132

Louie Creek
Tributary

III

Louie Creek BIA-NWR-CTCR-EA-26-12

RMZ
(applied to each side of wetland)
100 feet

pg. 28

Upon completion of harvest or haul operations the following maintenance & monitoring actions
shall be performed:
● Clear all drainage improvements of obstructions
● Stabilize or remove unstable material and forest debris with potential to block drainage
improvements
● Repair or replace all damaged drainage improvements to fully restore their function
● Leave road surface in a condition that would prevent subsequent erosion, and keep runoff
within natural drainages, by outsloping, removing berms from the outside of roads,
providing drain dips, waterbars, rolling grade or other methods
Fish and Wildlife
Large blocks that reduce habitat and cover requirements for big game species would need wildlife
reserve patches to provide cover within 600 feet of all treatment areas. The blocks requiring reserve
patches are listed below in Table 13.
Table 13. Wildlife Reserve Patch Blocks.

Wildlife Reserve Patch
Comp
Block
# of Patches
1
350
3
1
2
350
6
2
3
350
7
1
4
350
10
3
5
350
29
2
6
350
31
2
7
350
64
1
8
352
10
2
9
352
192
1

Mitigating for the loss and reduction of habitat structures and functions discussed above would
minimize the negative impacts to wildlife habitats and species in the Louie Creek project area.
The following mitigation efforts are requested by the Wildlife Department in the case that
Alternative B “proposed action” is chosen and implemented.
•
•
•
•
•

If at any time during harvest a bald or golden eagle nest is found, cease work within .25
miles of nest and contact the District Biologist; all timber harvest is prohibited within 660
feet of active bald eagle nests (Klock 2001).
If at any time during harvest a Northern goshawk, great gray owl or other raptor nest
and/or territory are thought to be found, cease work within 750 feet and please contact the
District Biologist.
All lynx tracks, sightings, or dens should be reported to the District Biologist for
immediate assessment and review.
Fawning/calving habitat: all areas of deciduous trees within wet areas and draws should
be protected from disturbances.
Wildlife corridors should be setup to allow for natural movement between seasonal and
daily habitats.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 29

•
•

•
•
•

•

•
•
•

•
•
•
•

•
•

Blocks that are scheduled to be cable logged need to have their reserve patches and/or
wildlife travel corridors setup in a way that would provide habitat for wildlife while still
allowing the operation of a cable system to be operational.
Snags in harvest units should be retained in clumps with their associated understory
vegetation intact to insure their retention after site preparation. Green leave trees would
be identified and retained as future snags in all areas. The majority of large diameter trees
should be left standing
All native fruit bearing shrub and tree species should be protected and retained.
Leaving more than the required 2 snags per acre would help mitigate some of the losses
of large woody debris and recruitment trees.
In areas where large blocks of timber would be treated under the burn RX prescription
visual shields should be left to provide cover and escape routes for wildlife. This would
reduce fragmentation of the habitat and decrease the vulnerability of big game to legal
and illegal harvest. These areas would act as wildlife corridors and should be setup to
allow for natural movement between seasonal and daily habitats.
Blocks that have a burn RX work being done either in conjunction or independently from
timber harvest need to ensure that all large woody debris targets are being met. In
addition in blocks that are piled a minimum of 2-3 piles per acre need to be left on site
and not burned.
All large diameter woody debris should be left on the ground to provide habitat for a
wide range of species.
All wetlands should be protected with maximum RMZ lengths and should all be
protected from equipment entry. RMZs should be measured out from the edge of the
riparian vegetation instead of from the ordinary high water mark.
Culverts should be placed at a gradient of less than 2% unless the terrain and profile of
the stream doesn’t allow for it. All culverts should be fortified at the entry to the culvert
as well as the outlet to prevent erosion near the placement of the pipe. Culverts should be
countersunk to allow deep enough water for fish to pass through and fill material should
be placed in culvert to mimic the natural stream components and help juvenile fish get up
the stream channel.
Implementation of bank stabilization, sediment traps and road surface improvements are
encouraged to decrease risk of sediment delivery and runoff into surrounding watersheds.
To reduce soil compaction and ground disturbances seasonal restrictions and slash mats
should be used to protect sensitive and/or highly erodible soils.
Areas where there is considerable soil disturbance should be planted with native seed to
reduce encroachment and establishment of noxious weeds, ie landings and highly
disturbed skid trails.
With the construction of new roads, cut banks should be kept to a minimum due to the
tendency of water to rise to the surface when there is an interruption of the hydrologic
environment. Water seeping out of cut banks leads to erosion of road surfaces and
ultimately sediment delivery to streams.
In order to reduce disturbance, harassment and increased hunting pressure, all roads that
are not considered main access routes should be closed and decommissioned following
the project. Multilayered cover should be left along roads with high vehicular use.
Minimize the amount of use on stream adjacent roads and prioritize them for permanent
closure.

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 30

•

Infrastructure (culverts/bridges) should allow for passage of all life stages of fish, and for
water, sediment, and wood/debris during 100 year flow events.

Cultural Resources
The Tribal Archaeologist would brief the Timber Sale Officer (TSO) and others working in the
13 Mile project area regarding the steps taken to identify and report cultural resources. If
resources are found, the TSO shall ensure that all work stops in the vicinity of the find, that steps
are taken to protect the find, and that the Tribal Archaeologist is called immediately. No work
shall resume until the THPO has approved a management plan.
Range Operations
The Range Programs infrastructure GIS layer indicates very few structural assets associated with
RU 19 that would likely be encountered during this project. Fences and cattle guards are of
particular concern. CTCR Range Program asks that when range infrastructure is encountered
such as cattle guards, watering facilities, and fences they be avoided as much as possible. If
range infrastructure is damaged during project activity the project proponent would be
responsible for notifying the Range Program and seeing that damage is repaired in a timely
manner. If cattle guards are located on roads that need to be used for heavy traffic, they should
be assessed for the ability to handle the weight of large trucks and equipment. The Range
Program can assist with that if contacted in a timely manner. If it is determined the cattle guard
does not meet specifications for the anticipated weight of the traffic, and there is no way to
bypass it, the cattle guard may need to be temporarily removed. If this is the case it is essential
the Range Program be notified 48 hours prior to the removal. The removed cattle guard would be
reinstalled by the proponent of the project unless other arrangements are made with the CTCR
Range Program.
The impacted Range Unit 19 has approximately 25 pairs of livestock permitted on it. Range Unit
fences and cattle guards need to remain functional, with any gates closed and damage to fences
quickly repaired. The Range Program needs to be notified if an infrastructure problem becomes
apparent. The Range Program would also be notified when burning occurs in the forest project
area before the turnout date of May 15th so the Range program can move livestock to an area on
the range unit that would not be affected.

6.0 List of Preparers
Name
Malcolm Vollmer & Marc LeClair
Mason Bruce & Girard Natural Resource
Consultants
Ossian Laspa
Bryan Jones
Jessica Utt, Brandton Harvey
Charlotte Axthelm
Stacy King
Guy Moura
Amanda Hoke
Chasity Swan
Louie Creek BIA-NWR-CTCR-EA-26-12

Contributions
Forestry
Wildlife
Fish
Range/Noxious Weeds
Hydrology
Wetlands
History/Archaeology
History/Archaeology
Editor

pg. 31

7.0 Literature Cited
Axthelm, Charlotte. 2024. Water Quality Assessment Report for the Confederated Tribes of the
Colville Reservation 2018-2023. Technical. Nespelem, WA. CTCR.
Bureau of Land Management (BLM). 2018. General Land Office Patent Records. Available
online at http://www.glorecords.blm.gov/
Center for Applied Research, Inc (CAR). 2018. Final Programmatic Environmental Impact
Statement. Confederated Tribes of the Colville Reservation, 2015 Integrated Resource
Management Plan.
Center for Applied Research, Inc (CAR). 2015. Results of the 2014 Colville Reservation
Community Survey.
Colville Confederated Tribes. 2023. Forest Practices Handbook. Colville Tribal Code
Chapter 4-7 Forest Practices. Nespelem, WA. 89 pp.
Colville Confederated Tribes (CCT). 2007. Cultural Resource Management Plan of the
Confederated Tribes of the Colville Reservation. Prepared by the CCT
History/Archaeology Program. Nespelem, WA.
Colville Confederated Tribes (2010). CCT Chapter 4-8 Water Quality Standards. Available
from:
https://static1.squarespace.com/static/572d09c54c2f85ddda868946/t/5824a1774402431a6
8a34e9d/1478795640147/4-8-Waterqualitystandards.pdf
CTCR. 2015. Integrated Resource Management Plan 2015. Prepared by The Center for Applied
Research, Inc.
CTCR. 2023. Forest Management Plan for the Colville Indian Reservation. Prepared by Jeremy
Hunt. Approved June 23, 2023.
Dubé, K., Megahan, W., McCalmon, M. 2004. Washington road surface erosion model prepared
for the Washington Department of Natural Resources. Olympia, WA.
Goheen, E. M., & Willhite, E. A. (2021). Field guide to the common diseases and insect pests of
Oregon and Washington conifers (Rev. ed., R6-FHP-RO-2021-01). USDA Forest
Service, Pacific Northwest Region.
Gough, Stan. 1990. A Cultural Resources Overview, Sampling Survey, and Management Plan,
Colville Indian Reservation, Okanogan and Ferry Counties, Washington. Eastern
Washington University Reports in Archaeology and History 100-74. Archaeological and
Historical Services. Cheney, WA.
Hawksworth, F. G. (1977). The 6-class dwarf mistletoe rating system (General Technical Report
RM-48). U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and
Range Experiment Station.
Hunner, Walt. 2014. Hydrology Report. Technical. Nespelem, WA: CTCR.
Hunt, Clair. 1916. Diminished Colville Indian Reservation (map). General Land Office,
Department of the Interior.
Klock, Glen O. 2000. Colville Indian Reservation: Integrated Resource Management Plan 20002014: Final Environmental Impact Statement. Western Resources Analysis, Inc.
Wenatchee, WA.

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pg. 32

Klock, Glen O. 2001. Colville Indian Reservation: Record of Decision and Plan for Integrated
Resources Management. Western Resources Analysis, Inc. Wenatchee, WA.
Mason, Bruce, and Girard, Inc. April 8, 2025. Project Proposal Form: Louie Creek Timber Sale
2026 PPF. Nespelem, WA. BIA
Marker, D., R. Thomon, T. Bosworth, T. Li and C. Tornow. 2012 Upper Columbia River Site
Remedial Investigation and Feasibility Study Tribal Consumption and Resource Use
Survey. Final Draft Report. Prepared for the US Environmental Protection Agency,
Region 10. Westat. Rockville, MD.
Meyer, Jon. 2006. Cultural Resources Survey Report for the 13 Mile Forest Management
Project. On file at the Colville Tribes History/Archaeology Program. Nespelem, WA.
Shannon, D. & G. Moura. 2007. Chief Joseph Dam and Rufus Woods Lake Traditional Cultural
Property Research 2006 Technical Report. Prepared for the United States Army Corps of
Engineers, Seattle District. Prepared by CCT History/Archaeology Program. Nespelem,
WA.
Society of American Foresters. 1998. The dictionary of Forestry. Helms, J.A. editor. The society
of American foresters. Bethesda MD.
U.S. Forest Service. (2010). Colville National Forest: Collaborative Forest Landscape
Restoration Program proposal, Stevens and Ferry Counties, Washington. U.S. Department
of Agriculture, Forest Service, Colville National Forest.
U.S. Fish and Wildlife Service. 2002. Chapter 23, Northeast Washington Recovery Unit,
Washington. 73 p. In: U.S. Fish and Wildlife Service. Bull Trout (Salvelinus confluentus)
Draft Recovery Plan. Portland, Oregon.

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pg. 33

8.0 Appendices

8.1 Project Maps and Activity Table

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pg. 34

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pg. 35

Forest Activities Table

Std_ID
350002
350003
350005
350006
350007

Acres
47
80
42
120
52

Operab
SKID
SKID
SKID
SKID
SKID

Rx
SW
SW
SW
SW
SW

Site
Prep
MPB
MPB
MPB
MPB
MPB

350010

104 SKID

ST/IC

MPB

350017
350021

80 TETH/SKID
86 SKID

ST/IC
OSR/CT

MPB
MPB

350026

88 SKID

ST/IC

MPB

350029

113 SKID

ST

BB

350031
350039

125 SKID
49 TETH/SKID

OSR/ST/CT BB
SW
MPB

350043
350050

46 TETH/SKID
60 TETH/SKID

ST
SW

BB
MPB

350064
350077

92 SKID/TETHER ST
144 SKID
SW

BB
MPB

352010

173 SKID

ST

BB

352192
352204

101 SKID
63 SKID

ST
ST/CT

BB
MPB

Louie Creek BIA-NWR-CTCR-EA-26-12

Regen

150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL
150 PP; 150
WL

Est
Harvest
Vol.
(Mmbf)
504
778
413
1207
549
1099
885
783
2277
2720
1798
539
463
640
1232
2822
2241
2054
1069

pg. 36

8.2 Consultation
Section 106 of the National Historic Preservation Act (NHPA)

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pg. 37

ESA Section 7 Consultation U.S. Fish and Wildlife Service

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pg. 38

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 39

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 40

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 41

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 42

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 43

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pg. 44

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pg. 45

Louie Creek BIA-NWR-CTCR-EA-26-12

pg. 46

8.3 Preliminary Transportation Analysis

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pg. 47

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pg. 48

Consultation was initiated by the Watershed Analyst on February 25, 2024 when the preliminary
transportation analysis memo was distributed. To supplement the consultation the following
resources and individuals were consulted during the preparation of this document:
Stacy King, CTCR Wetlands Specialist, Nespelem, WA.
Joseph Ezell, CTCR Restoration Program Manager, Nespelem, WA.
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pg. 49

8.4 Technical Supplement: Prescription Descriptions
The following silvicultural treatments pertain to density management in combination with insect and
disease preventative management and forest protection: Seed Tree / Overstory Removal (ST/OR), and
Pre-commercial Thinning (PCT). Density management is a preventative treatment to help reduce the risk
of potential bark beetle infestation and improves the overall health of individual trees by reducing the
competition for limited resources such water and nutrients. Bark Beetle activity including western pine
beetle, mountain pine beetle, pine engraver beetle, and Douglas-fir beetles is present and typically occurs
on overly dense stands of conifers, and sometimes after some kind of natural or man-made disturbance.
At preferred stocking levels, the individual conifer trees are more vigorous and able to fight off bark
beetle attacks with their natural defenses. In addition, density management treatments will help to reduce
the risk of a wildfire becoming a catastrophic disturbance; by reducing the amount of ladder fuels present
and the potential of a wildfire moving into the crowns of the trees. Stands with high densities are prone to
insect attacks and increased mortality.
This section is supplemental information regarding the prescriptions for cutting of timber treatments. It
does not contain site specific information on the project area, but it does give a background regarding the
various prescriptions prescribed in each block. A detailed stand prescription for every unit is available at
the Omak-Nespelem Forestry District Office.
Seed Tree/Overstory Removal (ST/OR) is a combination of a regeneration method and an intermediate
treatment. ST/OR blocks contain a mixture of desirable tree species, of various ages, with manageable
levels of insects and diseases. These stands contain stocking levels of non-commercial sized trees (i.e.
seedlings, saplings, and pole sized) of a species that are desirable to manage. Typical concerns include
overstocking of non-commercial sized trees, over mature trees, dwarf mistletoe in the overstory trees, and
under-stocked areas that could allow the encroachment of non-native species (i.e. noxious weeds). The
DFC of a ST/OR block is a naturally regenerated stand of healthy, desirable seral species such as
ponderosa pine and/or western larch at the desirable stocking level. This is achieved by maintaining and
protecting the established regeneration during logging operations, removing overstory trees with dwarf
mistletoe, and by leaving overstory trees for a seed source to regenerate the under-stocked areas. After a
stand has been regenerated naturally or artificially, an Overstory Removal treatment may be prescribed to
remove the remaining overstory trees, especially if dwarf mistletoe is present. Typically, after the
Overstory Removal is completed, a pre-commercial thinning will be implemented to thin the stand to the
desired stocking level (150 to 300 trees per acre). There will be 5 to 15 trees per acre left to provide a
seed source, depending on how much of the stand still needs to be regenerated.
Regeneration Cut with Reserve Trees (RRT) The blocks contain undesirable tree species, of various
ages, with unmanageable levels of forest insects and disease problems. Typical concerns include: overly
dense stands, predominance of climax tree species, over mature tree ages, impending tree mortality due to
forest insect and disease problems, high severity of dwarf mistletoe in all conifer species, root-rot
diseases, defoliating insects, bark beetles, and competing vegetation. These blocks have serious health
and productivity concerns. The (DFC) of a RRT block is an artificially regenerated stand of healthy, seral
tree species. This is achieved by harvesting most of the commercial-sized trees, slashing and/or weeding
all remaining, undesirable trees especially if the advance regeneration is showing sign of insect and
disease problems such as dwarf mistletoe, implementing site preparation (broadcast burning or excavator
scarification) and planting ponderosa pine and/or western larch seedlings. Ten years after the
implementation of the site preparation and planting, the desired stocking for the stand would be at least
300 trees per acre or supplemental planting of conifers would need to occur.
Seed Tree (ST) is a regeneration method treatment. Seed Tree blocks are similar to RRT’s, except they
have enough healthy over-story trees of ponderosa pine and western larch to provide a seed source for
natural regeneration. ST blocks contain a majority of undesirable tree species, of various ages, with some

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pg. 50

type of need to initiate the initial stand development stage with natural regeneration. Typical concerns
include: the age of the stand, species composition of the stand, insufficient stocking level of the stand, and
unmanageable levels of insect and disease problems such as high severity of dwarf mistletoe in all conifer
species, root-rot diseases, defoliating insects, bark beetles, and competing vegetation. There are a
sufficient number of seral, tree species within the block that can left on site to produce seed for natural
regeneration of seedlings. These blocks have serious health and productivity concerns. The DFC of a ST
block is a naturally regenerated stand of healthy, seral tree species such as ponderosa pine or western
larch. This is achieved by retaining specific seed trees, approximately 7-15 trees per acre, to remain on
site, harvesting all other trees of commercial size. Follow logging operations with a slashing and/or
weeding if feasible of all remaining, non-commercial trees, especially if the advance regeneration is
showing symptoms of insect and disease problems such as dwarf mistletoe. Next, some type of site
preparation (broadcast burning or excavator scarification) will need to be implemented, to prepare the site
for the establishment of natural regeneration. Potentially some artificial regeneration may be implemented
in a ST block to speed up occupancy of the site and supplement the desired natural regeneration. Ten
years after the implementation of the site preparation, the desired stocking for the stand would be at least
300 trees per acre or supplemental planting of conifers will need to occur. When the stand has been
adequately regenerated to desired levels approximately 5 to 20 years, an Overstory Removal may be
implemented at any time, especially if the overstory trees are showing symptoms of insect & disease
problems such as dwarf mistletoe.
Shelterwood (SW) Blocks contain a mix of undesirable and desirable tree species, of various ages with
some type of need to initiate the initial stand development of natural regeneration such as the age of the
stand, species composition of the stand, insufficient stocking level of the stand, and insect and disease
problems. Typically, there is a large number of the preferred seral, tree species on-site to provide both a
seed source and shelter for initial stand development. Some underlying concerns such as harshness of the
site (dry and rocky), the need to provide shade and shelter (i.e. micro-environment) for stand development
of seedlings, aesthetic appeal, and the desire to utilize the existing stand as much as possible necessitate
the requirement to leave a larger number of trees per acre compared to a “ST” treatment. The (DFC) of a
“SW” block is a naturally regenerated stand of healthy, seral tree species. This is achieved by retaining
specific seed and shade trees, approximately 12-30 trees per acre, to remain on site, harvesting all other
trees of commercial size, slashing and/or weeding all remaining especially if the advance regeneration is
showing sign of insect and disease problems such as dwarf mistletoe, undesirable trees and implementing
site preparation to the site to prepare the ground for the establishment of natural regeneration. This is
achieved by selecting certain seed trees and shelter trees to remain on site, harvesting all others of
commercial size, slashing all remaining, undesirable trees, and broadcast burning the site to prepare the
ground for natural regeneration. Ten years after the implementation of the site preparation, the desired
stocking for the stand would be at least 300 trees per acre or supplemental planting of conifers would
need to occur.
Commercial Thin (CT) Commercial Thin (CT) is an intermediate treatment. CT blocks contain desirable
tree species, of a manageable age (i.e., 60-120 years) with manageable levels of insects and disease
problems. A typical concern is overstocking. The overstocking of stands lead to low tree vigor,
suppressed growth, higher susceptibility to insect and disease potential problems, and other immediate
and long-term health and productivity concerns. The desired future condition (DFC) of a commercial
thinning is a healthy stand of desired tree species, growing at desired stocking levels of 60 to 80 Basal
Area depending on the site. This is achieved by thinning or harvesting the stand to the desired stocking
levels. These prescriptions are used for harvesting trees in order to redistribute and maximize growth
potential on desirable trees, and to benefit the residual stand quality.
Improvement Cut (IC) An Improvement Cut is a combination of a regeneration method and an
intermediate treatment. IC blocks contain a mix of undesirable and desirable tree species of multiple-ages

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pg. 51

that need a variety of silvicultural treatments to address the typical concerns such as overly dense stands,
predominance of climax tree species, over mature trees, impending tree mortality due to forest insect and
disease problems, high severity of dwarf mistletoe in

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Source: Frix Law Library, https://www.frixlaw.com/law-library/documents/tribal%3Aconfederated_colville%3A97446e41c2f024e6. Public record. Not legal advice.
