@misc{indiciae706c7fcd53ae,
  title = {Geologic map of the Vail East quadrangle, Eagle County, Colorado},
  author = {Karl S. Kellogg and Bruce Bryant and Margaret H. Redsteer},
  year = {2003},
  doi = {10.3133/mf2375},
  url = {https://pubs.usgs.gov/publication/mf2375},
  note = {Source identifier: mf2375}
}