- Mesa Grande Mining District
| Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34. Fisher, J., E. E. Foord, and G. A. Bricker, 1999. The geology, mineralogy, and history of the Himalaya mine, Mesa Grande, San Diego County, California. California Geology 52(1):3-18. |
Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA