@misc{indiciae957c780a023a,
  title = {Preliminary geologic map of the Twin Lakes Quadrangle, McKinley County, New Mexico},
  author = {R. S. Zech},
  year = {1980},
  doi = {10.3133/ofr8077},
  url = {https://pubs.usgs.gov/publication/ofr8077},
  note = {Source identifier: ofr8077}
}