@misc{indiciae527c10f35496,
  title = {Investigations of ground-water resources of the lower Colorado River},
  author = {G. E. Hendrickson},
  year = {1961},
  doi = {10.3133/ofr6162},
  url = {https://pubs.usgs.gov/publication/ofr6162},
  note = {Source identifier: ofr6162}
}