@misc{indiciae0c93417ddb3a,
  title = {Preliminary geologic map of the Goat Camp Spring quadrangle, Grant County, New Mexico and Greenlee County, Arizona},
  author = {David Carl Hedlund},
  year = {1990},
  doi = {10.3133/ofr90490},
  url = {https://pubs.usgs.gov/publication/ofr90490},
  note = {Source identifier: ofr90490}
}