@misc{indiciaebb39b62ff0b4,
  title = {Potentiometric surface, 1980, and water-level changes, 1969-80, in the unconfined valley-fill aquifers of the San Luis Basin, Colorado and New Mexico},
  author = {Thomas M. Crouch},
  year = {1985},
  doi = {10.3133/ha683},
  url = {https://pubs.usgs.gov/publication/ha683},
  note = {Source identifier: ha683}
}