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Tag: Cowboy State Mine

American Rare Earths begins test mine at Cowboy State

August 26, 2025August 26, 2025 Miners News

American Rare Earths, through its subsidiary Wyoming Rare (USA) Inc., has commenced construction of a test mine at the Cowboy State mine, part of the Halleck Creek deposit in Wyoming. The test mining program will extract approximately 3,200 tonnes of ore. Full story.

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North AmericaAmerican Rare Earths, Cowboy State Mine

Wyoming to support American Rare Earths project

July 2, 2024July 2, 2024 Miners News

American Rare Earths said a grant proposal submitted to advance the Cowboy State Mine at Halleck Creek has been approved by the state of Wyoming. The company will receive up to A$10.7 million (or US$7.1 million) in non-dilutive funding through a three-year agreement. Full story.

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North AmericaAmerican Rare Earths, Cowboy State Mine, Halleck Creek, rare earth rocks

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