Tertiary rocks near Yuma, Arizona [abs.], in Program, 1966 Annual Meetings, San Francisco, Nov. 14-16, 1966

Olmsted, F.H., 1968, Tertiary rocks near Yuma, Arizona [abs.], in Program, 1966 Annual Meetings, San Francisco, Nov. 14-16, 1966: Geological Society of America, p. 153-154.