@misc{indiciaea580675ce240,
  title = {Maps showing ground-water conditions in the Agua Fria area, Yavapai and Maricopa Counties, Arizona},
  author = {G. R. Littin},
  year = {1981},
  doi = {10.3133/ofr81804},
  url = {https://pubs.usgs.gov/publication/ofr81804},
  note = {Source identifier: ofr81804}
}