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Highland Copper obtains new air permit for Copperwood project in Michigan

Staff Writer | March 04, 2025 | 8:02 am Energy USA Copper 

Highland Copper (TSXV: HI) announced on Tuesday it has been issued a new air quality permit for the Copperwood project in Michigan that the company says would provide "flexibility" in power generation for the proposed underground mine. The permit, also known...

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