Apatite from selected localities.
USA | |
| |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964 | |
Mineralogical Record 33:1 | |
Mineralogical Record 33:1 | |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964 | |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964 | |
| Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates.. |
Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA