@misc{indiciae05900d9e53ef,
  title = {Geologic map of Arkansas},
  author = {Boyd R. Haley and Ernest E. Glick and William V. Bush and Benjamin F. Clardy and Charles G. Stone and M.J. Woodward and Doy L. Zachry},
  year = {1976},
  doi = {10.3133/70210562},
  url = {https://pubs.usgs.gov/publication/70210562},
  note = {Source identifier: 70210562}
}