@misc{indiciaeee4b16327b3e,
  title = {Geologic map of the Twin Lakes quadrangle, McKinley County, New Mexico},
  author = {R. S. Zech},
  year = {1989},
  doi = {10.3133/gq1659},
  url = {https://pubs.usgs.gov/publication/gq1659},
  note = {Source identifier: gq1659}
}