
Seagull Lake in the Boundary Waters. Superior National Forest is home to 20% of all fresh water in the entire national forest system. (Photo by Christina MacGillivray/Minnesota Reformer)
The U.S. Senate voted 50-49 Thursday to allow sulfide mining in areas near the Boundary Waters Canoe Area Wilderness.
The vote ends President Joe Biden’s 20-year moratorium on mining leases across more than 225,000 acres of Superior National Forest near the Boundary Waters Canoe Area Wilderness, which was visited by nearly 150,000 people in 2024.
Northeast Minnesota sits atop the Duluth Complex, a significant deposit of copper and nickel. Twin Metals, a subsidiary of the Chilean mining conglomerate Antofagasta, wants to extract both minerals — along with cobalt and other precious metals — from underground veins near Ely and Babbitt, about a dozen miles from the wilderness area.
The resolution already passed the U.S. House, shepherded by U.S. Rep. Pete Stauber, a Republican who represents the 8th District, which includes the protected wilderness. The resolution is headed to the desk of President Donald Trump. He’ll sign it, having already initiated the push to end the mining ban.
Ingrid Lyons, executive director of Save the Boundary Waters, issued a statement: “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.”
U.S. Sen. Tina Smith was raw with emotion on the Senate floor late Wednesday as she argued against the resolution
“You may be wondering why I am standing here at nearly midnight keeping everyone up. Here’s why: Because I know people in Minnesota are wondering whether anybody in this building cares about what they think,” she said.
She’d been reading letters from constituents arguing against threatening the pristine waters along the border between Minnesota and Canada.
“I dearly hope the members of this body will think about their legacy in protecting the great places in this country,” Smith pleaded to an empty chamber.
Environmental protection groups say mining for copper and other heavy metals inevitably leaches sulfuric acid, toxic metals and other pollutants into surrounding water systems, harming the natural environment and imperiling tourism.
Smith and her allies say they’ll fight on. “We’ll continue our important job of protecting the Boundary Waters,” she said in a press call Thursday. “We have more work to do now.” She previewed potential litigation from outside groups, who could sue over whether the congressional process for undoing the ban was legal. “I question the legality of what Congress did,” she said.
Michael Fairbanks, the chairman of White Earth Nation, said, “We’re going to try to figure out how we’re going to combat this. I have a hard time wrapping my head around this.”
The industry and the building trades argue the new territory would reduce Northeast Minnesota’s economic dependence on volatile global markets for iron and steel. Its rich deposits of higher-value metals, along with gases like helium and possibly hydrogen, could offer a lifeline.
Opponents argue environmental degradation would lead to economic disaster for a region with a growing tourism economy, which relies on waters so pure that some people drink right out of the lakes, known as “dipping.”
Protection for the Boundary Waters — and its removal — has swung metronomically in the past decade depending on which party has controlled the White House, with the administration of President Barack Obama denying mining leases, followed by Trump pushing for mining and then the Biden 20-year moratorium. Given the congressional vote, however, a future president couldn’t enact a substantially similar mining ban. A future Congress could, however.
Despite the new federal regulatory relief, Twin Metals still faces major obstacles before it can begin.
The company has not won the necessary state or federal permits, and a Democratic trifecta next year could stymie the project by passing a law protecting state lands in the same area and banning hard-rock mine permitting in the region.
Even if they win the necessary permits and win in court in the face of inevitable litigation against the project, Twin Metal would face a hostile Minnesota public.
Polls have long shown heavy majorities oppose mining near the Boundary Waters.
This story was originally produced by Minnesota Reformer, which is part of States Newsroom, a nonprofit news network which includes Wisconsin Examiner, and is supported by grants and a coalition of donors as a 501c(3) public charity.