@misc{indiciae55441615d475,
  title = {Geologic map of the Chair Mountain quadrangle, Gunnison and Pitkin Counties, Colorado},
  author = {Larry H. Godwin},
  year = {1968},
  doi = {10.3133/gq704},
  url = {https://pubs.usgs.gov/publication/gq704},
  note = {Source identifier: gq704}
}