State requirements hold copper miners responsible for cleanup

The state of Montana will require copper miners in Meagher County to post a $4.6 million bond to commence construction. The Montana DEQ announced fee Wednesday for Phase 1 of the Black Butte Copper Project as security to cover environmental cleanup costs. The Black Butte mine has been a controversial project due to its location near a tributary of the Smith River. Opponents told the AP they were evaluating whether to challenge the mining permit in court.