Trump lifts ban on mining near Boundary Waters, clearing way for Chilean company to seek permits

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President Donald Trump has lifted a federal ban on mining near Minnesota's Boundary Waters Canoe Area Wilderness, clearing the way for a South American company eyeing the region's precious metals to begin applying for permits.

Environmentalists fear the move will create a precedent for wiping out other protections for public lands across the country. Twin Metals Minnesota LLC, a subsidiary of Chile-based Antofagasta Minerals, has been looking to dig for copper, nickel and other precious metals in the Superior National Forest since 2019.

The canoe area lies in the national forest just downstream from the mine site, raising concerns that digging could create pollution that would contaminate one of the nation's last remaining wild areas.

Former President Joe Biden's administration in 2023 imposed a 20-year moratorium on mining in the national forest, putting Twin Metals plans on hold. But Trump has called for boosting domestic energy and mineral production, and congressional Republicans sent him a resolution to lift the moratorium earlier this month, promising the move would create jobs and reenergize the mining industry in Minnesota's Iron Range. The president signed the resolution on Monday.

“Today is a dark day for America's most beloved Wilderness area, the Boundary Waters Canoe Area Wilderness, and a stark warning call for public lands nationwide,” Ingrid Lyons, executive director the group Save the Boundary Waters, said in a statement. “Minnesotans and the American public writ large have been loud and clear -- this iconic place needs to be protected. Today, by the very people who claim to represent them, they were ignored, and even worse, silenced. But of course, it's not over, and we will always keep fighting.”

Twin Metals spokesperson Kathy Graul said in a statement to The Associated Press that lifting the moratorium creates an opportunity to strengthen mineral supply chains but stressed that the company still must go through a rigorous permitting process that could last years.

Indeed, the mine site stands on a patchwork of state, federal and private land, creating a regulatory labyrinth.

The first hurdle for the company is reestablishing a right to mine after officials in Biden's Department of the Interior terminated its federal site leases in early 2022. Twin Metals filed a federal lawsuit seeking a declaration that the leases are still valid but a judge threw the case out in 2023. The company is appealing that decision.

Twin Metals also would have to win a mining permit from the Minnesota Department of Natural Resources by showing that the company can prevent water pollution, safely store waste rock and restore the land after the mine is played out. The company also will need state water and air permits. U.S. Sen. Amy Klobuchar, a Minnesota Democrat who voted against lifting the moratorium, could be a serious roadblock for the company if she wins her bid for the governor's office in November.

Environmental groups and tribes could conceivably challenge every permit in court, potentially blocking Twin Metals' plans for years. Friends of the Boundary Waters, for example, has said litigation remains “under active consideration.”

And Canadian officials could raise concerns about whether the mine could create cross-border pollution that violates treaties with the U.S. The Boundary Waters separates northeastern Minnesota from northwestern Ontario, hence the name.

The area remains largely untouched by humans. Logging is prohibited, planes must obey minimum altitude limits when flying over it, and motorized boats are limited to certain areas. The U.S. Forest Service issued about 776,000 visitor permits between 2020 and 2024.