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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: United States National Park Service
- Creators: Dutton, Clarence
- Creators: Williams, L. S.
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
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.
Geological examination of the park canyonland, with description of the rocks, water sculping process, volcanic cones and outflows, and land erosion. This edition is Volume 2, 1977 reprint, of the author's 1882 monograph. Includes 12 color maps, 10 color views and is number 280/1500.