By Duncan Adams, Montana Standard
Evidence abounds across Montana of the ruinous environmental legacy of cyanide-based open-pit mining.
Consider the Beal Mountain Mine west of Butte and the Zortman-Landusky mines in the Little Rocky Mountains, all Pegasus Gold debacles. Or the Golden Sunlight Mine, near Whitehall, from which pit water will need to be pumped and treated in perpetuity, or the Kendall Mine near Lewistown.
