@misc{indiciae531cb4d7359b,
  title = {Geologic map of the Bottle Pass quadrangle, Grand County, Colorado},
  author = {Richard B. Taylor},
  year = {1975},
  doi = {10.3133/gq1224},
  url = {https://pubs.usgs.gov/publication/gq1224},
  note = {Source identifier: gq1224}
}