@misc{indiciaed7d32b8fc0b4,
  title = {Geology of the western part of the Ouachita Mountains, Oklahoma},
  author = {Thomas Andrews Hendricks and L.S. Gardner and M. M. Knechtel and Paul Averitt},
  year = {1947},
  doi = {10.3133/om66},
  url = {https://pubs.usgs.gov/publication/om66},
  note = {Source identifier: om66}
}