Glencore International AG

Minnesota releases crucial draft permit for disputed mine

A contentious copper-nickel mine in northeastern Minnesota took another step forward Friday when state regulators released a crucial draft permit for public comment.

"It's a major milestone for the project," Brad Moore, PolyMet Mining Corp.'s executive vice president for environmental and governmental affairs, told The Associated Press. "We've been through over 10 years of environmental review and permitting to get to this point."

PolyMet would be the first copper-nickel mine in Minnesota, with supporters touting the hundreds of jobs it would create. Environmentalists have warned the mining could leach sulfuric acid and other toxic chemicals into a...