j MINING.COM Staff Writer | May 18, 2018 | 3:35 am Share Comments No comments found. More News American Rare Earths’ Cowboy State mine to provide feedstock for DoE research The company's subsidiary holds the Halleck Creek project in Wyoming, which was ranked in 2023 as one of the world’s top 10 rare earth projects. March 17, 2026 | 12:35 pm {{ commodity.name }} {{ post.title }} {{ post.excerpt }} {{ post.date }} First < {{ page }} > Last
American Rare Earths’ Cowboy State mine to provide feedstock for DoE research The company's subsidiary holds the Halleck Creek project in Wyoming, which was ranked in 2023 as one of the world’s top 10 rare earth projects. March 17, 2026 | 12:35 pm
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