
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.

A federal judge said that the U.S. Office of Surface Mining did not address health, air and climate concerns caused by hauling coal by railroad from Montana’s largest coal mine operation.
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.
A Montana copper mine was to employ a new mining technique, but environmental groups say the state failed in its permit process to properly review effects on nearby waters.