@misc{indiciae4a3d64026cda,
  title = {Geologic map of Russellville West quadrangle, Pope and Yell Counties, Arkansas},
  author = {Boyd R. Haley},
  year = {1967},
  doi = {10.3133/ofr67104},
  url = {https://pubs.usgs.gov/publication/ofr67104},
  note = {Source identifier: ofr67104}
}