@misc{indiciae3ce7bf3a4863,
  title = {Geologic map of the Dillon quadrangle, Summit and Grand Counties, Colorado},
  author = {Karl S. Kellogg},
  year = {1997},
  doi = {10.3133/ofr97738},
  url = {https://pubs.usgs.gov/publication/ofr97738},
  note = {Source identifier: ofr97738}
}