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USA | |
| USGS MRDS database (2005). Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 266 Huguenin, Emile (1919), Santa Barbara, Ventura Counties: California Division Mines Report 15: 761 |
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Angel, Myron (1890), Kern, Monterey, San Benito, San Luis Obispo, Santa Barbara, Tulare Counties: California Mining Bureau Report 10: 599 |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Huguenin, Emile (1919), Santa Barbara, Ventura Counties: California Division Mines Report 15: 761 Van Nostrand Reinholt Press: 288. |
| Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 265. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Sawmill-Badlands Roadless Area Review & Evaluation Area (RARE II)
| U.S. Bureau of Mines Open-File Report MLA 51-82 (1982): Table 1, No 3, p. 14. Ver Planck, Wm. E., Jr. (1952), Gypsum in California: California Division Mines Bulletin 163: 41 |
| USGS MRDS database (2005). U.S. Bureau of Mines Open-File Report MLA 51-82 (1982): Table 1, No 2, p. 14 Ver Planck, Wm. E., Jr. (1952), Gypsum in California: California Division Mines Bulletin 163: 41 |
| USGS MRDS database (2005). Ver Planck, Wm. E., Jr. (1952), Gypsum in California: California Division Mines Bulletin 163: 130 |
| California Division of Mines and Geology (1981), Special Publication 58: 57. Ver Planck, Wm. E., Jr. (1952), Gypsum in California: California Division Mines Bulletin 163: 130 |
- Ventura County Borate Mining District (Stauffer 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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (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. Gale, Hoyt Stoddard (1914c), Borate deposits in Ventura County, California: USGS Bulletin 540: 446 Van Nostrand Reinholt Press: 288. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Vedder, J.G., Norris, R.M. (1963) Geology of San Nicolas Island California. Geological Survey Professional Paper 369, 65 pages. |