@misc{indiciaed06d75a7fb9f,
  title = {Preliminary geologic map of the Wagon Track Ridge Quadrangle, Garfield and Mesa counties, Colorado},
  author = {R. C. Johnson and B.J. Douglas},
  year = {1980},
  doi = {10.3133/mf1182},
  url = {https://pubs.usgs.gov/publication/mf1182},
  note = {Source identifier: mf1182}
}