Publication Date 2003 Citation Pima Association of Governments, 17[24] p. State AZ Province BR County PM Placenames Tucson Basin Cienega Gap area Empire Mts. Basins Tucson Ama Cienega Creek Watersheds Santa Cruz River Keywords Groundwater Hydrogeology Map Bedrock Surficial More Keywords Groundwater, Hydrogeology, Map, Bedrock, Surficial, AzGeoBib RefNum 17023
