- Butte Mining District (Summit Valley Mining District)
| Gammons, C. H., Szarkowski, J., & Stevenson, R. (2016) New investigations of the mineralogy of silver in the world-class porphyry-lode deposits of Butte, MT. Mining engineering Magazine website (2005) Mineral Resources Data System (MRDS), US Geological Survey. Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74 |
Walkerville area, Walkerville, Butte Mining District, Silver Bow County, Montana, USA