@misc{indiciaed901668e9972,
  title = {Preliminary geologic map of the Hot Sulphur Springs SW quadrangle, Grand County, Colorado},
  author = {G. A. Izett and C.S.V. Barclay},
  year = {1964},
  doi = {10.3133/mf291},
  url = {https://pubs.usgs.gov/publication/mf291},
  note = {Source identifier: mf291}
}