A gold mine in Stibnite, Idaho, that once churned out critical minerals for the U.S. “Arsenal of Democracy” during World War II was resurrected last month by the U.S. Army and Perpetua Resources Inc.

The launch of the Stibnite Gold Project will see the private company partner with the U.S. Army’s Joint Program Executive Office Armaments and Ammunition, or JPEO A&A, to harvest not only gold but antimony sulfide from the mine, while working to rehabilitate the local environment.

“The Stibnite project currently holds the largest identified reserve of antimony in the U.S.,” Maj. Gen. John T. Reim, commanding officer of JPEO A&A and Picatinny Arsenal, said in a service release . “At an estimated 148 million lbs., it is one of the largest antimony reserves outside of foreign control.”

An

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