Halpenny, L.C., 1987, Groundwater and surface water interconnection in Arizona: Water Development Corporation, [variously paged]. Authors Halpenny, L.C. Publication Date 1987 Citation Water Development Corporation, [variously paged]. State AZ Province BR County CH PM PN Placenames Oracle area San Manuel area Falcon Valley Camp Grant Wash area Babocomari River area Basins Lower San Pedro-Mam Lower San Pedro-Cgw Upper San Pedro-Sev Watersheds San Pedro River Keywords Aquifer Recharge Groundwater Surface Water Hydrogeology More Keywords Aquifer, Recharge, Groundwater, Surface Water, Hydrogeology, AzGeoBib RefNum 20309