@misc{indiciaef5fe19867aeb,
  title = {Preliminary geological report on the Salt Plains reservoir site, Oklahoma},
  author = {C.V. Theis},
  year = {1934},
  doi = {10.3133/ofr342},
  url = {https://pubs.usgs.gov/publication/ofr342},
  note = {Source identifier: ofr342}
}