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USA | |
- North Bloomfield Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Spenceville Mining District
| Flohr, Marta J. (1990) Microbanded manganese formations 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.: 161-168 Van Nostrand Reinholt Press: 413. Huebner, J. Stephen protoliths in the Franciscan Complex, California USGS Professional Paper 1502. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 161-168 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. 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.: 161-169 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.: 161-168 Van Nostrand Reinholt Press: 413. |