@misc{indiciae8ce69d5b8a00,
  title = {Geologic map of the Plug Hat Rock quadrangle, Moffat County, Colorado},
  author = {Peter D. Rowley and Wallace R. Hansen},
  year = {1979},
  doi = {10.3133/gq1514},
  url = {https://pubs.usgs.gov/publication/gq1514},
  note = {Source identifier: gq1514}
}