@misc{indiciae687f4e97ecd9,
  title = {Geology and water resources of Sulphur Spring Valley, Arizona, with a section on agriculture},
  author = {Oscar Edward Meinzer and F.C. Kelton and Robert Humphrey Forbes},
  year = {1913},
  doi = {10.3133/wsp320},
  url = {https://pubs.usgs.gov/publication/wsp320},
  note = {Source identifier: wsp320}
}