|
USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 176, 216. Storms, William H. (1893), Los Angeles, San Bernardino, San Diego Counties: California Mining Bureau. Report 11: 369 |
| Kohler-Antablin, S. (1994): Mineral Land Classification of the Eastern Half of Riverside County, CA. In: Open File Report 94 –11, No 532 on map. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 315 Kunz, George Frederick (1901), Precious stones: Mineral Resources U.S., 1900: 763 |