@misc{indiciaeb6c0de93b785,
  title = {Structure and oil and gas resources of the Osage Reservation, Oklahoma. T. 20 N., R. 11 E.},
  author = {E. R. Lloyd and K.F. Mather},
  year = {1922},
  doi = {10.3133/b686j},
  url = {https://pubs.usgs.gov/publication/b686J},
  note = {Source identifier: b686J}
}