@misc{indiciae697d6b372fb2,
  title = {Map showing ground-water conditions in the Virgin River, Grand Wash, and Shivwits areas, Mohave County, Arizona, 1976},
  author = {G. W. Levings and C. D. Farrar},
  year = {1979},
  doi = {10.3133/wri7957},
  url = {https://pubs.usgs.gov/publication/wri7957},
  note = {Source identifier: wri7957}
}