@misc{indiciaed00e8e57641d,
  title = {Geologic map of the Fossil Ridge area, Gunnison County, Colorado},
  author = {R. S. Zech},
  year = {1988},
  doi = {10.3133/i1883},
  url = {https://pubs.usgs.gov/publication/i1883},
  note = {Source identifier: i1883}
}