@misc{indiciae94d1821a9db3,
  title = {Preliminary Report on the Engineering Geology of the Straight Creek Tunnel Pilot Bore, Clear Creek and Summit Counties, Colorado},
  author = {Charles Sherwood Robinson and Fitzhugh T. Lee},
  year = {1965},
  doi = {10.3133/ofr65139},
  url = {https://pubs.usgs.gov/publication/ofr65139},
  note = {Source identifier: ofr65139}
}