- Monitor - Mogul Mining District
- Loope (Monitor; Loopeville)
| Merrick, Peggy (1986) Precious-Metal Mineralization at the Zaca Mine, Alpine County, California. Journal of Geochemical Exploration, 25 (1) 234 doi:10.1016/0375-6742(86)90020-8
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Clark, William B. (1977) Mines and Mineral Resources of Alpine County, California. County Report 8. California Division of Mines and Geology
Partridge, John F., Jr. (1941), Tungsten resources of California: California Journal of Mines and Geology, California Division of Mines (Report 37): 37(2): 264
Gianella, Vincent Paul (1938), Epithermal hübnerite from the Monitor district, Alpine County, California: Economic Geology: 33: 341-347
Van Nostrand Reinholt Press: 331. |
Advance Mine, Colorado Hill, Loope, Monitor - Mogul Mining District, Alpine County, California, USA