@misc{indiciaefacbef0e5f58,
  title = {Principal facts for a gravity survey made in northeastern Oklahoma and southeastern Kansas during 1948},
  author = {K. L. Cook and A.J. Hoskinson and G.R. Shelton},
  year = {1971},
  doi = {10.3133/70046233},
  url = {https://pubs.usgs.gov/publication/70046233},
  note = {Source identifier: 70046233}
}