@misc{indiciae28c866edefc5, title = {Annual summary of ground-water conditions in Arizona, spring 1979 to spring 1980}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1981}, doi = {10.3133/ofr81906}, url = {https://pubs.usgs.gov/publication/ofr81906}, note = {Source identifier: ofr81906} }