@misc{indiciaef89f8f0636bb,
  title = {Maps showing ground-water conditions in the Harquahala Plains area Maricopa and Yuma Counties, Arizona--1975},
  author = {E.E. Denis},
  year = {1975},
  doi = {10.3133/wri7633},
  url = {https://pubs.usgs.gov/publication/wri7633},
  note = {Source identifier: wri7633}
}