# 25 C.F.R. § 225.24 (2025): Environmental studies

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_24

## Section

- **Citation:** 25 C.F.R. § 225.24 (2025)
- **Heading:** Environmental studies
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 25 CFR: Indians / Chapter I: BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR / Part 225: OIL AND GAS, GEOTHERMAL, AND SOLID MINERALS AGREEMENTS / Subpart B: Minerals Agreements / § 225.24: § 225.24   Environmental studies.

## Text

(a) The Secretary shall ensure that all environmental studies are prepared as required by the National Environmental Policy Act of 1969 (NEPA) and the regulations promulgated by the Council on Environmental Quality (CEQ) found at 40 CFR parts 1500-1508.
(b) The Secretary shall ensure that all necessary surveys are performed and clearances obtained in accordance with 36 CFR parts 60, 63, and 800 and with the requirements of the Archaeological and Historic Preservation Act (16 U.S.C. 469
et seq.
), the National Historic Preservation Act (16 U.S.C. 470
et seq.
), the American Indian Religious Freedom Act (42 U.S.C. 1996), and Executive Order 11593 (3 CFR 1971-1975 Comp., p. 559, May 13, 1971). If these surveys indicate that a mineral development will have an adverse effect on a property listed on or eligible for listing on the National Register of Historic Places, the Secretary shall:
(1) Seek the comments of the Advisory Council on Historic Preservation, in accordance with 36 CFR part 800;
(2) Ensure that the property is avoided, that the adverse effect is mitigated, or that appropriate excavations or other related research is conducted; and
(3) Ensure that complete data describing the historic property is preserved.

## Nearby sections

- [25 C.F.R. § 225.20 (2025) § 225.20   Authority to contract.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_20.md)
- [25 C.F.R. § 225.21 (2025) § 225.21   Negotiation procedures.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_21.md)
- [25 C.F.R. § 225.22 (2025) § 225.22   Approval of minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_22.md)
- [25 C.F.R. § 225.23 (2025) § 225.23   Economic assessments.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_23.md)
- [25 C.F.R. § 225.24 (2025) § 225.24   Environmental studies.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_24.md)
- [25 C.F.R. § 225.25 (2025) § 225.25   Resolution of disputes.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_25.md)
- [25 C.F.R. § 225.26 (2025) § 225.26   Auditing and accounting.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_26.md)
- [25 C.F.R. § 225.27 (2025) § 225.27   Forms and reports.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_27.md)
- [25 C.F.R. § 225.28 (2025) § 225.28   Approval of amendments to minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_28.md)
- [25 C.F.R. § 225.29 (2025) § 225.29   Corporate qualifications and requests for information.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_29.md)
- [25 C.F.R. § 225.30 (2025) § 225.30   Bonds.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_30.md)
- [25 C.F.R. § 225.31 (2025) § 225.31   Manner of payments.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_31.md)
- [25 C.F.R. § 225.32 (2025) § 225.32   Permission to start operations.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_32.md)
- [25 C.F.R. § 225.33 (2025) § 225.33   Assignment of minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_33.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_24. Check the current official text before relying on it. Not legal advice.