@misc{indiciae32c84cb32083,
  title = {Geologic map of the Horse Mountain Quadrangle, Garfield County, Colorado},
  author = {W. J. Perry and R. R. Shroba and R. B. Scott and Florian Maldonado},
  year = {2003},
  doi = {10.3133/mf2415},
  url = {https://pubs.usgs.gov/publication/mf2415},
  note = {Source identifier: mf2415}
}