Reetz, G.R., 1969, A hydrologic appraisal of Arizona's ground water as affected by the state code: Tucson, University of Arizona, M.S. thesis, 108 p. Authors Reetz, G.R. Publication Date 1969 Citation Tucson, University of Arizona, M.S. thesis, 108 p. State AZ Province BR County PN PM SC CH LP Placenames San Simon Valley(GM) Tucson Basin Santa Cruz Valley Avra Valley Gila Bend Plain McMullen Valley Basins Safford-Saf Safford-Ssi Willcox Tucson Ama-Usc Santa Cruz Ama Tucson Ama-Avr Gila Bend Mcmullen Valley Watersheds Upper Gila River Willcox Playa Santa Cruz River Lower Gila River Lower Gila River Keywords Groundwater Land-use Planning Water Resources More Keywords Groundwater, Land-use Planning, Water Resources, AzGeoBib RefNum 20166