Galena from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
F. J. Fohs (1907) The Fluorspar Deposits of Kentucky. KGS Bull 9 296pp.; U.S.G.S. Bulletin 255; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Stuart Weller, Charles Butts, Louis W. Currier, Rollin D. Salisbury (1920) The geology of Hardin County, and the adjoining part of Pope County Illinois Geological Survey Bull. 41 | |
F. Brett Denny and Ronald C. Counts (2009) Bedrock Geology of Shetlerville Quadrangle. Illinois State Geological Survey Shetlerville-BG | |
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U.S.G.S. Bulletin 255 | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Bastin, E. S. (1931). The fluorspar deposits of Hardin and Pope Counties. IGS Bulletin no. 058. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S.G.S. Bulletin 255 |