@misc{indiciaee5b8a214f450,
  title = {Geologic map of Straight Creek Tunnel pilot bore, Clear Creek and Summit Counties, Colorado},
  author = {Fitzhugh T. Lee and Charles S. Robinson},
  year = {1967},
  doi = {10.3133/ofr67146},
  url = {https://pubs.usgs.gov/publication/ofr67146},
  note = {Source identifier: ofr67146}
}