Coulson, O.B., 1950, Geology of the Sweetwater Drive area, and correlation of Santa Cruz Valley gravels: Tucson, University of Arizona, M.S. thesis, 71 p. Authors Coulson, O.B. Publication Date 1950 Citation Tucson, University of Arizona, M.S. thesis, 71 p. State AZ Province BR County PM Placenames Tucson Mts. Keywords Areal Correlation Fluvial Sedimentary Quaternary More Keywords Areal, Correlation, Fluvial Sedimentary, Quaternary, AzGeoBib RefNum 2174