@misc{indiciae1b8532382fd8,
  title = {Geologic map of the Housetop Mountain Quadrangle, Garfield and Mesa counties, Colorado},
  author = {J. R. Donnell and W. E. Yeend and M. C. Smith},
  year = {1987},
  doi = {10.3133/mf1965},
  url = {https://pubs.usgs.gov/publication/mf1965},
  note = {Source identifier: mf1965}
}