@misc{indiciae1ece7dbde0ac,
  title = {Principal facts for a gravity survey made in northeastern Oklahoma and southeastern Kansas during 1948},
  author = {Kenneth L. Cook and Albert J. Hoskinson and George R. Shelton},
  year = {1959},
  doi = {10.3133/ofr6318},
  url = {https://pubs.usgs.gov/publication/ofr6318},
  note = {Source identifier: ofr6318}
}