@misc{indiciaef478c4381517,
  title = {Maps showing ground-water conditions in the southern part of the Black Mesa area, Navajo, Apache, and Coconino Counties, Arizona, 1976},
  author = {Gary W. Levings and C. D. Farrar},
  year = {1977},
  doi = {10.3133/wri7741},
  url = {https://pubs.usgs.gov/publication/wri7741},
  note = {Source identifier: wri7741}
}