100 Years of Grand: The Grand Canyon Centennial Project
- 1 English
- 1 text
- 1 Public
One-page history of the four Grand Canyon National Park superintendents from 1919 to 1923, W. H. Peters, D. L. Reaburn, W. W. Crosby and J. R. Eakin. Circa 1923.
- United States National Park Service