The extension will enable the production of approximately 39.9mt of federal coal, while supporting 280 full-time jobs.

The Trump administration approved a plan to expand a Montana coal mine and extend its life by 16 years, the Interior Department said on Thursday, a move aligned with President Donald Trump's goal to increase U.

The Trump administration Thursday approved the expansion of one of the nation’s biggest coal mines, part of an ongoing push to expand the production and use of fossil fuel domestically. The Interior Department approved a federal mining plan modification by the Office of Surface Mining Reclamation and Enforcement for the Spring Creek mine in Big Horn County,