|
USA | |
| Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Root, L.L. (1925) Twenty-first report of the State Mineralogist. California Mining Bureau Report 22, 595pp.: 63 Fairbanks, Harold W. (1893b), Geology of San Diego County also portion of Orange and San Bernardino Counties: California Mining Bureau. Report 11: 115-117 |
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Hanks, Henry Garber (1885), Fifth report of the State Mineralogist: California Mining Bureau Report 5, 235 pp.: 119 Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census. |
| Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census. Robert Housely |
| [var. Silver-bearing Galena] Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 84. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |