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Dry Fork Mine, Amendment 2 Mining Plan Modification Environmental Assessment

Welcome to the OSMRE Dry Fork Mine Amendment 2 mining plan modification Environmental Assessment (EA) webpage. Here you will be able to view and download all documents relating to this EA as they become available to the public. For more information about this project see About the Project. The EA and other supporting documentation will be posted in the Document Library.


The OSMRE is responsible for reviewing plans to conduct coal mining and reclamation operations on lands containing leased federal coal. Pursuant to 30 CFR 746, the OSMRE must prepare and submit to the Secretary of the Interior a decision document recommending approval, disapproval or approving with condition(s) of the proposed mining plan modification.

Western Fuels Wyoming operates the Dry Fork Mine (DFM) which is located approximately 4.5 miles north of Gillette, WY. The DFM is a surface coal mine that uses a combination of dragline and truck/shovel mining methods.

OSMRE has completed an Environmental Assessment (EA), which analyzes the environmental impacts resulting from the mining plan modification for Federal Coal Leases WYW-0271200 and WYW-0271201 at the Dry Fork Mine. OSMRE concluded that the Proposed Action would meet the agency’s purpose and need. The Proposed Action would authorize mining activities on 364.5 federal surface acres of Federal Coal Leases WYW-0271200 and WYW-0271201 within the existing, state approved mine permit boundary.

OSMRE has also made available the signed Finding of No Significant Impact (FONSI) and mining plan modification approval which will allow Dry Fork Mine to continue operations. OSMRE determined that the Proposed Action does not constitute a major federal action having significant effect on the human environment; therefore, an EIS is not required.

Page Last Modified/Reviewed: 3/15/19

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