@misc{indiciae373e8fe458ba,
  title = {Geologic map of the eastern half of the Vail 30' x 60' quadrangle, Eagle, Summit, and Grand Counties, Colorado},
  author = {Karl S. Kellogg and Ralph R. Shroba and Wayne R. Premo and Bruce Bryant},
  year = {2011},
  doi = {10.3133/sim3170},
  url = {https://pubs.usgs.gov/publication/sim3170},
  note = {Source identifier: sim3170}
}