@misc{indiciaec7be152621fe,
  title = {Principal facts and Bouguer anomaly values, Crooks Gap gravity survey, Fremont County, Wyoming},
  author = {D.L. Healey},
  year = {1965},
  doi = {10.3133/ofr6569},
  url = {https://pubs.usgs.gov/publication/ofr6569},
  note = {Source identifier: ofr6569}
}