Language that would have required a study of the impact of copper-nickel mining on the Boundary Waters Canoe Area Wilderness was dropped from the Department of the Interior, Environment and Related ...
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Can Arizona Miners Unleash an American Copper Boom?
DRAGOON, Ariz.—In the boulder-strewn desert east of Tucson, miners are using sulfuric acid and bacteria to bring online the first new U.S. copper production in more than a decade. The metal is coming ...
In April, U.S. Sen. Tina Smith introduced a bill to protect the Boundary Waters wilderness, building on years of advocacy by U.S. Rep. Betty McCollum and support from Backcountry Hunters and Anglers, ...
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Your donation today will help MinnPost continue to report on the news you need. When evaluating the impact of the proposed copper-nickel mines like PolyMet and Twin Metals on the natural resources of ...
DULUTH, Minn.— Conservation groups and the U.S. Bureau of Land Management reached an agreement today that requires the agency to revisit its decision to renew 13 prospecting permits. The permits could ...
The Lakeshore copper deposit 32 miles south of Casa Grande in Pinal County, while showing enough promise to attract a succession of investors over more than a century, was also once the site of a $96 ...
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