Tribes, groups sue to force Montana to enforce mining law

In this Feb. 17, 2010, file photo, the snowcapped Cabinet Mountains tower over the lush Kootenai River Valley outside of Libby, Mont. Montana environmental regulators want to dismiss a legal case that sought to block the president of an Idaho-based mining company from being involved in two silver and copper mines near and beneath the Cabinet Mountains Wilderness. (AP Photo/Rick Bowmer, File)