Daquan, Tian, 1993, Rainfall spatial and seasonal variability analysis in semi-arid watersheds: Tucson, University of Arizona, M.S. thesis, 113 p. Authors Daquan, Tian Publication Date 1993 Citation Tucson, University of Arizona, M.S. thesis, 113 p. State AZ Province BR County CH Placenames Tombstone Hills Basins Upper San Pedro-Sev Watersheds San Pedro River Keywords Climate Surface Water Model More Keywords Climate, Surface Water, Model, AzGeoBib RefNum 20186