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USA | |
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| Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission |
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| Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission |
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| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
- Wilson Springs (Potash Sulfur Springs)
| Rocks & Min.: 63:108. |
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| Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission |
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| Henry Barwood - unpublished (2010) |
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| Art Smith (2001) Mineral News, 17, #11. |
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| Smith, Arthur, 1996, Collecting Arkansas Minerals: A Reference and Guide |
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| Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission
Howard, J. Michael (1987) Mineral Species of Arkansas - A Digest. Bulletin Vol. 23 (1st ed.) Arkansas Geological Commission |
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| Rocks and Minerals, (1989) 64:314-322
Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
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| Min News (2000) 16:6 pp 1-5,9
Peacor, D., Dunn, P. J. & Simmons, W. B. (1984): Eggletonite, the Na analogue of ganophyllite. Mineralogical Magazine. 48, 93-96 |
- Arkansas Bauxite District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| Horváth collection |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Yegua Creek Placer District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA