@misc{indiciae81ca307a451f,
  title = {Preliminary geologic map of the Hot Sulphur Springs SE quadrangle, Grand County, Colorado},
  author = {G. A. Izett and D. L. Hoover},
  year = {1963},
  doi = {10.3133/mf271},
  url = {https://pubs.usgs.gov/publication/mf271},
  note = {Source identifier: mf271}
}