Filtering by
- All Subjects: Grand Canyon (Ariz.)
- All Subjects: Carl T. Hayden Photographs
- Creators: Kolb Bros.
- Creators: Arizona. Department of Mines and Mineral Resources
- Creators: Evans, R. T.
- Creators: Pinchot, Gifford
Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.
Testimony for The Subcommittee on National Parks, Forests and Public Lands of the Committee on Natural Resources presented against the withdrawal of the uranium-bearing lands around the Grand Canyon National Park.
Black and white postcard of Cataract Creek waterfalls. Circa 1930.
Black and white print with members of the Luhrs family. Typescript annotation, "July 17th, 1914. Going down Bright Angel Canyon of Arizona, Those on the mules, from bottom up: unknown, unknown, Ella Luhrs, Emma Luhrs, George H. N. Luhrs, unknown, Roger Hunt, George Luhrs Jr., Catherine Margarita 'Gretchen' (Mrs Geo H. N.) Luhrs standing beside George Luhrs Jr." Beside the trail, a sign displays, "Photo by Kolb Brothers."