@misc{indiciaec0ed12eddd90,
  title = {Summary appraisals of the nation's ground-water resources – Upper Colorado region},
  author = {Don Price and Ted Arnow},
  year = {1974},
  doi = {10.3133/pp813c},
  url = {https://pubs.usgs.gov/publication/pp813C},
  note = {Source identifier: pp813C}
}