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USA | |
- Nevada City Mining District
| 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: 362 Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 388 Van Nostrand Reinholt Press: 125 |
| 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: 270, 357, 362. Averill, Charles V. (1931), Preliminary report on economic geology of the Shasta quadrangle: California Division Mines Report 27: 49 Van Nostrand Reinholt Press: 81. |
- Evans Creek Mining District
| Oregon Metal Mines Handbook, 1943, Oregon Department of Geology and Mineral Industries: Bulletin No. 14-C, Vol. 2, Section 2 - Jackson Co., page 79. |
- Gold Hill Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Grants Pass Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |