@misc{indiciae967d44b410bc,
  title = {Geologic map of the Black Mountain Quadrangle, Fremont and Park counties, Colorado},
  author = {R.C. Epis and R. A. Wobus and G. R. Scott},
  year = {1979},
  doi = {10.3133/i1195},
  url = {https://pubs.usgs.gov/publication/i1195},
  note = {Source identifier: i1195}
}