@misc{indiciae4d2e548934fc,
  title = {Maps showing ground-water conditions in the southern part of the Chinle area, Apache County, Arizona, 1976},
  author = {G. W. Levings and C. D. Farrar},
  year = {1977},
  doi = {10.3133/wri7750},
  url = {https://pubs.usgs.gov/publication/wri7750},
  note = {Source identifier: wri7750}
}