TY - RPRT TI - Bedrock geology and mineral resources of the Knoxville 1° x 2° quadrangle, Tennessee, North Carolina, and South Carolina AU - Gilpin R. Robinson AU - Frank G. Lesure AU - J. I. Marlowe AU - Nora K. Foley AU - S. H. Clark PY - 1992 DO - 10.3133/b1979 UR - https://pubs.usgs.gov/publication/b1979 ID - b1979 ER -