Members of the National Geographic Society's 1935 Salmon River Expedition. Pilot Unidentified. Men standing (left to right): Philip J. Shenon, Maynard O. Williams, D. Worth Clark, John Reed, Unidentified. Howard Flint, US 75.
Members of the National Geographic Society's 1935 Salmon River Expedition. Left to right: Maynard Owen Williams (photographer, chief editor of National Geographic), Philip J. Shenon (U.S. Geological Survey), Howard Flint (U.S. Forest Service, died...