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where is copper mined in minnesota

Critics Say Proposed Copper Mine In Minnesota Threatens Pristine

11 Feb 2020 Which jobs are more key: mining or tourism? A company in northern Minnesota wants to build an underground copper mine near a federally

Mining in Minnesota | Minnesota DNR - MN DNR

These are the only minerals currently mined in Minnesota. Manganese copper nickel and titanium have also been discovered in the state in minable quantities

A Brief History of Copper Mining in Minnesota - University of

Recommended Citation. Hall C. W. (1886). A Brief History of Copper Mining in Minnesota. Journal of the Minnesota Academy of. Science Vol. 3 No.1 105-111.

Should we mine copper and nickel in Minnesota … to help defeat

11 Sep 2019 PolyMet Mining hopes to build one of the state's first copper-nickel mines. MinnPost photo by Walker Orenstein. Sept. 11 2019.

Bills take aim at copper-nickel mining in Minnesota | Duluth News

14 Jan 2021 The other bill would ban copper-nickel mining on state lands in the Rainy River Watershed which is shared with the Boundary Waters Canoe

Copper-Nickel Studies and Non-ferrous Mining - Minnesota Issues

Copper-nickel deposits have been known to exist in northern Minnesota since the 1800s but it was not until 1948 when deposits were discovered near Duluth

Minnesota lawmakers propose ban and moratorium on copper mining

13 Jan 2021 That more targeted legislation would permanently ban copper mining in the Minnesota portion of the Rainy River Watershed that drains into the

New lawsuit targets Minnesota's copper-nickel mining rules | MPR

25 Jun 2020 The rules currently require mining stay outside a quarter-mile buffer from the Boundary Waters' edge but Landwehr said it's time to ban copper-

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