@misc{indiciae5aeef623c63d, title = {Maps showing ground-water conditions in the Hopi area, Coconino and Navajo counties, Arizona; 1977}, author = {C. D. Farrar}, year = {1980}, doi = {10.3133/ofr803}, url = {https://pubs.usgs.gov/publication/ofr803}, note = {Source identifier: ofr803} }