@misc{indiciaed6202bfcfe61,
  title = {Chattanooga shale and related rocks of central Tennessee and nearby areas : an abstract},
  author = {Louis C. Conant and Vernon Emanuel Swanson},
  year = {1957},
  doi = {10.3133/tei682},
  url = {https://pubs.usgs.gov/publication/tei682},
  note = {Source identifier: tei682}
}