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Wyoming’s Black Butte Mine Expansion Approved — Extending Operations to 2039, Unlocking 9.2 Million Tons of Coal and Creating Jobs.
Visit our Newsroom to read the full story
OSMRE auditors ensure compliance by reviewing coal mine operators reporting more than 530 million tons of coal annually—from Appalachia to Alaska—helping secure critical funds needed to reclaim abandoned mines nationwide.
Discover how the compliance program makes a difference
The National Mine Map Repository partnered with the National Park Service in Western Pennsylvania and digitized over 1,100 original design boards from the Flight 93 National Memorial competition. Using advanced large-format scanners, NMMR is helping safeguard these historic tributes for future generations along with thousands of mine maps for dozens of commodities link coal, gold, and silver.
Discover the technology behind the NMMR
Citizen Complaint:
If you have questions or concerns, please contact the local OSMRE staff in your state or send an email to GetInfo@osmre.gov.
Learn more about Citizen Complaints and Requesting an Inspection
OSMRE invites industry leaders, environmental groups, states, and Tribes to beta test a newly revised software tool that estimates the cost of treating acid mine drainage. Revised software compares treatment methods and incorporates long-term operation and maintenance.

To learn more, visit AMDTreat.

Our Programs

Aerial view of mine

Restoring the Environment Reclaiming Abandoned Mine Lands

Surveyors consulting map

Protecting the Environment Regulating Coal Mines

Testing soil samples

Applying Science & Technology Technology Development and Transfer

OSMRE News

Black Butte Coal

Wyoming’s Black Butte Mine Expansion Approved, Extending Operations Through 2039

September 10, 2025

Black Butte Mine

Trump Administration Accelerates Review of Black Butte Mine Expansion in Bold Step for Energy Security

August 12, 2025

Antelope Mine in Converse County

Interior Approves Mining Plan to Unlock 14.5 Million Tons of Coal at Antelope Mine

August 8, 2025

In this episode of Reclaim Restore & More, we speak with members of the National Mine Map Repository (NMMR), a program area within OSMRE charged with maintaining an archive of mine maps for mines throughout the United States. Their expertise led to an investigation of historical accounts. The findings set the stage for an exciting commentary on life at the intersection of American history and coal mining in Wake Forest, Virginia.

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