Silver from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Nettie Mine, Butte Mining District, Silver Bow County, Montana, USA