@misc{indiciaeac7f19c4ef31,
  title = {Preliminary geologic map of the Circle Dot Gulch Quadrangle, Garfield County, Colorado},
  author = {W. J. Hail},
  year = {1982},
  doi = {10.3133/mf1293},
  url = {https://pubs.usgs.gov/publication/mf1293},
  note = {Source identifier: mf1293}
}