Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Flora and fauna
- All Subjects: McKee, Edwin Dinwiddie, 1906-1984
- Creators: United States National Park Service
- Creators: Gavin, J. E.
- 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.
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Letter from J. E. Gavin to Jesse L. Boyce regarding the TNT storage in the Grand Canyon. Gavin states that although acting director Arno B. Cammerer is confident in Superintendent Crosby's report concerning the legitimacy of the storage, he will continue to investigate the matter to ensure public safety.