@misc{indiciae4557dc5c26f4,
  title = {Reconnaissance geologic map of the Fairplay West, Mount Sherman, South Peak, and Jones Hill 7 1/2 minute quadrangles, Park, Lake, and Chaffee counties, Colorado},
  author = {Ogden Tweto},
  year = {1974},
  doi = {10.3133/mf555},
  url = {https://pubs.usgs.gov/publication/mf555},
  note = {Source identifier: mf555}
}