@misc{indiciae81f85c980060,
  title = {Geologic map of the Black Cabin Gulch quadrangle, Rio Blanco County, Colorado},
  author = {W. B. Cashion},
  year = {1969},
  doi = {10.3133/gq812},
  url = {https://pubs.usgs.gov/publication/gq812},
  note = {Source identifier: gq812}
}