@misc{indiciaeab3f040ef790,
  title = {Geology of the Platte Canyon quadrangle, Colorado},
  author = {Warren Lee Peterson},
  year = {1964},
  doi = {10.3133/b1181c},
  url = {https://pubs.usgs.gov/publication/b1181C},
  note = {Source identifier: b1181C}
}