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.
Part of personnel of marking board. Reading from left to right: R.Y. Stuart (Washington D.C.) O.M. Butler (Ogden), "Granny"; E.A. Grandjean, Supervisor, Boise N.F. Taken at Supervisor Grandjean's home in Boise