@misc{indiciae87c985861d18,
  title = {Outcropping Tertiary units in southern Arkansas},
  author = {R. L. Hosman},
  year = {1982},
  doi = {10.3133/i1405},
  url = {https://pubs.usgs.gov/publication/i1405},
  note = {Source identifier: i1405}
}