@misc{indiciaee140e4f755f6,
  title = {Geologic map and sections of the southwest quarter of the Dillon quadrangle, Eagle and Summit Counties, Colorado},
  author = {M.H. Bergendahl},
  year = {1969},
  doi = {10.3133/i563},
  url = {https://pubs.usgs.gov/publication/i563},
  note = {Source identifier: i563}
}