Posted 12:53 PM 2/24/2013 : Butte underground tunnels could access silver and gold reserves
BUTTE - The Anaconda Company was very particular about mining copper in Butte.
There are 10,000 miles of active mines, drifts, stopes and tunnels in underground Butte.
"There's a lot of workings underground," says Butte-Silver Bow Reclamation Manager Tom Malloy.