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Trump administration opens up Minnesota wilderness area to copper mining

Valerie Volcovici

WASHINGTON, May 15 (Reuters) - The U.S. Interior Department on Wednesday renewed two mineral leases near the Boundary Waters Wilderness area in Minnesota, opening the popular wilderness and recreation area up to copper mining despite heavy opposition from local and national conservation groups.

The department's Bureau of Land Management granted the hardrock mineral leases inside the Superior National Forest to Twin Metals Minnesota LLC, a subsidiary of Chile's Antofagasta, with the aim of expanding domestic mining of "critical minerals" used in common appliances and products, saying it is beneficial to national security because it reduces foreign imports.

"Mining strategic metals in the United States is beneficial to national security, national and local economies, and job creation," the Interior Department's assistant secretary Joe Balash said in a statement.

The announcement riled conservation groups, who said the Trump administration conducted an insufficient environmental review process leading up to its approval.

The Obama administration in 2016 had implemented a moratorium on new mineral development in the area while it would conduct an extensive environmental impact statement (EIS) analysis to determine whether 234,000 acres of the watershed around Boundary Waters should be withdrawn from mining for up to 20 years.

But after President Donald Trump took office in 2017, he reversed course, canceling the EIS in favor of a less-demanding and faster environmental assessment last January.

The BLM said it got more than 39,000 comments during the 41 day EA review, which informed its decision.

"The 'review' completed by the administration was wholly insufficient to determine the impact of sulfide-ore copper mining on land immediately adjacent to the Boundary Waters," said Tom Landwehr, Executive Director of the Campaign to Save the Boundary Waters.

Conservation and local groups have for years opposed the idea of opening up the area near the Boundary Waters to mining, because of the environmental risk it poses to the area's gray wolves, black bears, and moose and a variety of fish.

The site attracts more visitors than any other U.S. wilderness area. (Reporting by Valerie Volcovici Editing by Alistair Bell)