@misc{indiciaeb7515d9b8668,
  title = {Summary appraisals of the nation's ground-water resources – Rio Grande region},
  author = {S. W. West and W. L. Broadhurst},
  year = {1975},
  doi = {10.3133/pp813d},
  url = {https://pubs.usgs.gov/publication/pp813D},
  note = {Source identifier: pp813D}
}