@misc{indiciaef20dede19bc5,
  title = {Geologic map of the west-central Buffalo National River region, northern Arkansas},
  author = {Mark R. Hudson and Kenzie J. Turner},
  year = {2014},
  doi = {10.3133/sim3314},
  url = {https://pubs.usgs.gov/publication/sim3314},
  note = {Source identifier: sim3314}
}