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USA | |
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| U.S Bureau of Mines/Spatial Data fromthe Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
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| Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
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| U.S Bureau of Mines /Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
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| USGS Bull 1042G |
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| EL-Shazley,A.K.,Loehn C.,and Tracy R.J.,(2011) P-T-t evolution of granulite facies metamorphism and partial melting in the Winding Stair Gap,Central Blue Ridge,North Carolina,USA: Journal of Metamorphic Geology |
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| U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
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| U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
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| U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| Hidden and Pratt (1898), American Journal of Science, fourth series, v. 6, p. 294. |
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| Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
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| Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
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| Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
Jacobs Ruby Mine, Cowee Valley, Macon County, North Carolina, USA