Posted 8:27 PM 2/21/2013 : Butte underground tunnels could access silver and gold reserves
BUTTE - The Anaconda Company was very particular on mining copper in underground Butte.
"There's a lot of workings underground," says Butte Silver Bow Reclamation Manager Tom Malloy.
There are 10,000 miles of active mines, drifts, stopes and tunnels in underground Butte.