Filtering by
- All Subjects: Flora and fauna
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- All Subjects: Phantom Ranch (Ariz.)
- All Subjects: Water-power
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Letter describing three enclosures, a letter from F. M. Gold, Carl T. Hayden's reply to Gold's letter, and a copy of a bill introduced by Cameron.
Black and white, silver gelatin print with some silvering. Circa 1930.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.
Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.
