@misc{indiciaee1f7b439214f,
  title = {Geologic map of the Big Rock Hill quadrangle, McKinley County, New Mexico},
  author = {A. R. Kirk and R. S. Zech},
  year = {1987},
  doi = {10.3133/gq1594},
  url = {https://pubs.usgs.gov/publication/gq1594},
  note = {Source identifier: gq1594}
}