Alluvial fans and erosion surfaces of the Tucson Basin, Arizona [abs.], in Geological Society of America, Cordilleran Section, Program, 64th Annual Meeting, Tucson, Ariz., April 11-13, 1968
Pashley, E.F., 1968, Alluvial fans and erosion surfaces of the Tucson Basin, Arizona [abs.], in Geological Society of America, Cordilleran Section, Program, 64th Annual Meeting, Tucson, Ariz., April 11-13, 1968: Geological Society of America, p. 91.