@misc{indiciae53be3df93886,
  title = {Geologic and radiometric maps of the McKinley Mountain area, Wet Mountains, Colorado},
  author = {Q. D. Singewald},
  year = {1955},
  doi = {10.3133/mf37},
  url = {https://pubs.usgs.gov/publication/mf37},
  note = {Source identifier: mf37}
}