@misc{indiciae5ce0500ca767,
  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 = {2004},
  doi = {10.3133/ofr20041075},
  url = {https://pubs.usgs.gov/publication/ofr20041075},
  note = {Source identifier: ofr20041075}
}