View downstream from Toroweap Point, silver gelatin print.

View from Toroweap Point, silver gelatin print.

Vulcan's Throne near Toroweap Point, silver gelatin print.

Letter from Carl Hayden to R.P Gilliland regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ to the Grand Canyon.

Speech by Carl T. Hayden offering a motion to authorize a road an trail construction program in Grand Canyon National Park "to make these natural wonders accessible to the American people." The speech appears in the Congressional Record, 68th Congress, First Session.

Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.

Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.