@misc{indiciae5aa95932ba4d,
  title = {Geologic map of the Silt quadrangle, Garfield County, Colorado},
  author = {R. R. Shroba and R. B. Scott},
  year = {2001},
  doi = {10.3133/mf2331},
  url = {https://pubs.usgs.gov/publication/mf2331},
  note = {Source identifier: mf2331}
}