@misc{indiciaefaf176af45ce,
  title = {Geologic map of the Rustic quadrangle, Larimer County, Colorado},
  author = {Kenneth Charles Shaver and William D. Neese and William A. Braddock},
  year = {1988},
  doi = {10.3133/gq1619},
  url = {https://pubs.usgs.gov/publication/gq1619},
  note = {Source identifier: gq1619}
}