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- All Subjects: maps
- All Subjects: Campbell, Gilbert Alan, 1906-1985
- All Subjects: Moran, Patrick Joseph, 1864-1936
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from W. W. Bass to Carl Hayden written on Bass Camps and Trails stationary. Bass urges Hayden to consider the implications to his farming and mining rights if the bill is passed.
Letter from W. W. Bass to Carl Hayden stating his vehement opposition to the National Park bill. Bass's concerns include a monopoly by the Santa Fe Railway and a clash between the Native Americans and the Department of the Interior.
Letter from Carl Hayden to W. W. Bass asking his opinion on the proposed boundaries of the National Park. GC Natl Park written on the letter in blue pencil.
Letter from Carl Hayden to W. W. Bass asking his opinion on the proposed boundaries of the National Park. GC National Park written on the letter in red pencil.
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.
Black and white print of people riding mules down a steep trail. Circa 1940-1949.
Black and white print overlooking the canyon with clouds below the canyon's highest elevations. Circa 1940-1949.
