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USA | |
- Hope Valley Mining District
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 128. |
| Prenn, Neil, Merrick, Peggy (1991) The Monitor-Mogul Mining District, Alpine County, California. The Mineralogical Record, 22 (1) 29-40 |
- Loope (Monitor; Loopeville)
| 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 Logan, Clarence August (1921), Auburn field division: California Mining Bureau. Report 17: 404 48 pp.: 19-21, 45 Van Nostrand Reinholt Press: 96. |
| 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 Logan, Clarence August (1921), Auburn field division: California Mining Bureau. Report 17: 391-490: 404 48 pp.: 19-21, 46 Van Nostrand Reinholt Press: 96. |
| 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 Logan, Clarence August (1921), Auburn field division: California Mining Bureau. Report 17: 404 48 pp.: 19-21 Van Nostrand Reinholt Press: 96. |