Filtering by
- All Subjects: Henry G. Peabody Photographs
- 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.
Letter from W. W. Bass to Carl Hayden concerning the mining of asbestos in the Grand Canyon.
Black and white, silver gelatin print with some silvering. Circa 1930.
Black and white, silver gelatin print with some silvering. Circa 1930.
Black and white, silver gelatin print with some silvering. Circa 1930.
Black and white, silver gelatin print with some silvering. Circa 1930.
Black and white, silver gelatin print with some silvering. Circa 1930.
Black and white, silver gelatin print with some silvering. Circa 1930.