@misc{indiciae6cd3c750556d,
  title = {Bedrock geology and mineral resources of the Knoxville 1° x 2° quadrangle, Tennessee, North Carolina, and South Carolina},
  author = {Gilpin R. Robinson and Frank G. Lesure and J. I. Marlowe and Nora K. Foley and S. H. Clark},
  year = {1992},
  doi = {10.3133/b1979},
  url = {https://pubs.usgs.gov/publication/b1979},
  note = {Source identifier: b1979}
}