Osage Agency

The Osage Agency is under the general supervision of the Superintendent, who is the Line Officer in Charge. The Osage Agency proudly serves the Osage Nation, administering leasing and development of the 1.45 million-acre Osage Mineral Estate and overseeing more than 135,000 acres of trust and restricted lands in Osage County, Oklahoma. The Osage Agency has four branches: Executive Direction, Probate, Realty, and Minerals. The Branch of Minerals has five divisions: Lease Management, Accounting, Subsurface Leasing, Enforcement and Lease Compliance and Field Operations.

Adam Trumbly, Superintendent - Osage Agency

Email: adam.trumbly@bia.gov

2026 Osage Minerals Council Election

Statement Regarding Preparation and Provision of the Osage Minerals Council Election

RECORDS REQUESTS

OIL & GAS FORMS:

American Burying Beetle Guidance

NEPA Documents

Alternative NEPA Compliance (160.09 KB)
FAQ on the Alternative NEPA Compliance Process (193.01 KB)
Click here to visit the website for the Osage county Oil & Gas Environmental Impact Statement
APD EA Template September 2021, Rev 11/8/2023 (563.2 KB)

Laura Palmer, Environmental Protection Specialist, at 918-320-7922 or email at: laura.palmer@bia.gov with any questions.

REVISION OF OSAGE OIL & GAS REGULATIONS

The BIA published the Proposed Rule revising the regulations in 25 CFR part 226 in the Federal Register on January 13, 2023. Click here for a copy of the Proposed Rule. The extended public comment period for the Proposed Rule closed on August 18, 2023.
The regulations governing leasing and development of the Osage Mineral Estate are set forth in 25 C.F.R. part 226. You may access the current regulations online free of charge at https://www.ecfr.gov/ . A copy of the current regulations is also available in the Owners Room at the Osage Agency.
The BIA, in consultation with the Osage Nation and Osage Minerals Council, determined that it is appropriate to revise and update the regulations in 25 C.F.R. part 226. In accordance with such consultation, the BIA initiated the agency rulemaking process.
The BIA published the Proposed Rule revising 25 C.F.R. part 226 in the Federal Register on January 13, 2023. The BIA held a public meeting on the proposed Rule at the Osage Casino in Skiatook, Oklahoma on February 8, 2023 from 6:30 pm to 9:00 pm. The BIA held a Tribal consultation with the Osage Nation and Osage Minerals Council on March 30, 2023 and July 17-19, 2023. Links to the materials from the public Meeting and Tribal consultation are below.
For more information regarding the BIA's current effort to revise the regulations, please click here to visit the DOI Office of Regulatory Affairs and Collaborative Action's website.

CIVIL PENALTIES

BIA Civil Penalty Adjustment 2024
Notice of Penalty 2024
BIA Civil Penalty Adjustment 2025 (243.71 KB)
Notice of Penalty 2025 (256.35 KB)

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