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USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97. Stose, George Willis (1922), Barytes and barium products: Mineral Resources U.S., 1919, part 2: 335-347 |
- North Bloomfield Mining District
- North Bloomfield (Humbug City)
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97. Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 78 |
- Spenceville Mining District
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97. MacBoyle, Errol (1919), Mines and mineral resources of Nevada County: California Mining Bureau. Report 16, 270 pp. (published as separate chapter): 59 Appendix 2 (1909), by Dana, E.S. and W.E. Ford: 13 Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) |
- Washington Mining District (Omega 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. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97. Brobst, D. A. (1958) Barite resources of the United States. Bulletin Vol. 1072B. US Geological Survey doi:10.3133/b1072b Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 412 Logan, C.A. (1941), Mineral resources of Nevada County, California: California Jour. Mines & Geol.: 37(3): 378-379 Logan, C.A. (1941), Mineral Resources of Nevada County, California: California Journal of Mines & Geology: 37(3): 378-379 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| 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: 97 Weber, F.H., Jr. (1966b), Mineral resources of California: Barite. California Division of Mines and Geology Bulletin: 191: 94-98. Brobst, D. A. (1958) Barite resources of the United States. Bulletin Vol. 1072B. US Geological Survey doi:10.3133/b1072b Rocks & Minerals (1948): 23: 26 Logan, C.A. (1941), Mineral resources of Nevada County, California: California Jour. Mines & Geol.: 37(3): 378-379 Bradley, W.W. (1930), Barite in California: CA State Mineralogist Rept.: 26(1): 45-57 MacBoyle, Errol (1919), Mines and mineral resources of Nevada County: California Mining Bureau. Report 16, 270 pp. (published as separate chapter): 71 California Div. of Mines Info. Circular 26 Van Nostrand Reinholt Press: 293. |