@misc{indiciae845fe2e7a7d3,
  title = {Ground-water resources of the Duncan Basin, Arizona},
  author = {L.C. Halpenny and H. M. Babcock and R.B. Morrison and J.D. Hem},
  year = {1946},
  doi = {10.3133/ofr4640},
  url = {https://pubs.usgs.gov/publication/ofr4640},
  note = {Source identifier: ofr4640}
}