|
USA | |
- Hart District (Castle Mountain District)
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49(1-2): 156-157 Van Nostrand Reinholt Press: 438. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49(1-2): 157 Van Nostrand Reinholt Press: 438. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Oro Grande Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Silver Lake Mining District
| Maynard, M. F. (editor) (1984), The Blue Bell Claims San Bernardino County, California, San Bernardino County Museum, pp. 52. |
Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA