@misc{indiciae45db708b11ec,
  title = {Map showing depth to water in wells in the Phoenix area, Arizona, 1972},
  author = {W. R. Osterkamp},
  year = {1973},
  doi = {10.3133/i845d},
  url = {https://pubs.usgs.gov/publication/i845D},
  note = {Source identifier: i845D}
}