TY  - RPRT
TI  - Annual summary of ground-water conditions in Arizona, spring 1979 to spring 1980
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1981
DO  - 10.3133/ofr81906
UR  - https://pubs.usgs.gov/publication/ofr81906
ID  - ofr81906
ER  -