@misc{indiciaebf480584135d,
  title = {Pumpage and ground-water levels in Arizona in 1951},
  author = {L.C. Halpenny and R.L. Cushman},
  year = {1952},
  doi = {10.3133/ofr5267},
  url = {https://pubs.usgs.gov/publication/ofr5267},
  note = {Source identifier: ofr5267}
}