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USA | |
- Irish Hill Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| USGS MRDS database (2005), loc. file ID #10040792. |
- East Mayacmas Mining District
| Slowey, A.J., Rytuba, J.J., Hothem, R.L., May, J.T., 2001, Mercury at the Oat Hill Extension Mine and James Creek, Napa County, California: Tailings, sediment, water, and biota, 2003-2004: U.S. Geological Survey Open-File Report 2007-1132, 60 p. |
| Slowey, A.J., Rytuba, J.J., Hothem, R.L., May, J.T., 2001, Mercury at the Oat Hill Extension Mine and James Creek, Napa County, California: Tailings, sediment, water, and biota, 2003-2004: U.S. Geological Survey Open-File Report 2007-1132, 60 p. |
- Knoxville Mining District
| USGS MRDS database (2005), loc. file ID #10040777. |
- Gladding McBean & Company pit
| (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: 235. |
- Wheatland Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Michigan Bar Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Carlson, D.W. (1955), Sacramento County placer mines and gold dredging: California Journal of Mines and Geology: 51: 125-128 Van Nostrand Reinholt Press: 438. |
- Ladd-Buckeye Mining District
| USGS Bull 427 |
| 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: 235. Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 227 Van Nostrand Reinholt Press: 438. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282 Bradley, W.W. (1916a), Colusa, Glenn, Lake, Marin, Napa, Solano, Sonoma, Yolo County: California Mining Bureau. Report 14: 321 |