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- All Subjects: Arizona
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Colorado River (Colo.-Mexico)
- Creators: Humble, Will
- Creators: United States National Park Service
- Creators: Arizona State Parks Board
View downstream from Toroweap Point, silver gelatin print.
View from Toroweap Point, silver gelatin print.
Vulcan's Throne near Toroweap Point, silver gelatin print.
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.
Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.
The Arizona State Parks Board was created in 1957 as a government agency with the purposes and objectives to include acquiring, preserving and maintaining areas of natural features, scenic beauty, and historic and scientific significance, pleasure recreation, and health of Arizona’s people.