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USA | |
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| urdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85.
Richthofen, Ferdinand [Baron von] (1865), Die Metall-Produktion Californiens und der angrenzenden Länden: Petermanns Mitt. Erganzungsband III, Erganzung Heft 14, 58 pp.: 46 |
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| U.S. Borax |
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| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85, 126
Eakle, Arthur S. (1914) Minerals of California. Bulletin 67. California State Mining Bureau
Blake, Wm. P. (1858), Report of a geological reconnaissance in California 370 pp., New York.: 301
Blake, Wm. P. (1856), Observations on the physical geography and geology of the coast of California, from Bodega Bay to San Diego: US Coast Survey, Report 1855: 301
Dana 6: 1096 |
- Grass Valley Mining District
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- Alcalde Mine group (Alcade; Eclipse; Hidden Treasure; Accidental; Oxford; Diamond; Philadelphia; Stonewall Jackson; Johnson; Gould; Curry; South Curry; Indiana and South Standard claims)
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85
Van Nostrand Reinholt Press: 51. |
- Empire Star group (Empire Star Mines Company holdings)
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85
Johnston, William Drumm (1940), The gold-quartz veins of Grass Valley, California: USGS PP 194, 101 pp.: 36
Johnston, William Drumm (1937), Native arsenic from Grass Valley, California: California Division Mines Report 33: 340
Van Nostrand Reinholt Press: 51. |
