@misc{indiciae8a351a901a01,
  title = {Geologic map of the Gage SW quadrangle, Grant and Luna counties, New Mexico},
  author = {C.H. Thorman and Harald Drewes},
  year = {1981},
  doi = {10.3133/i1231},
  url = {https://pubs.usgs.gov/publication/i1231},
  note = {Source identifier: i1231}
}