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USA | |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 271-280 Van Nostrand Reinholt Press: 413. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323. Trengrove, Russell R. (1960), Reconnaissance of California Manganese Deposits, U.S. Bureau of Mines Report of Investigation 5579: 14 |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 271-280 Van Nostrand Reinholt Press: 413. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323. MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages. Bradley, W.W. (1936), Thirty-second report of the State Mineralogist: California Division Mines Report 32: 217 |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 278. Van Nostrand Reinholt Press: 413. |
- Klamath River Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 271-280 Van Nostrand Reinholt Press: 413. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Eakle, Arthur S. (1922) Minerals of California. Bulletin 91. California State Mining Bureau |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 271-280 Van Nostrand Reinholt Press: 413. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 271-280 Van Nostrand Reinholt Press: 413. |