Bedrock geology and mineral resources of the Knoxville 1⁰ x 2⁰ quadrangle Tennessee, North Carolina, and South Carolina - Robinson, G. R.; Lesure, Frank G.; Marlowe, J. I.; Foley, Nora K.; Clark, S. H. (Washington : United States Government Printing Office, 1992)
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Keywords: geologie; geology; bulletiny; information bulletins