@misc{indiciae0e35ace54346,
  title = {Progress report on a subsurface study of the Pershing oil and gas field, Osage County, Oklahoma},
  author = {W.W. Rubey},
  year = {1925},
  doi = {10.3133/b751b},
  url = {https://pubs.usgs.gov/publication/b751B},
  note = {Source identifier: b751B}
}