Filtering by
- All Subjects: Grand Canyon (Ariz.)
- Creators: Potter, A. F.
- Creators: Arizona. Department of Mines and Mineral Resources
- Creators: Evans, R. T.
- Creators: Zachau, Bernie
Letter from A. F. Potter to Carl Hayden regarding W. W. Bass's livery permit. Bass's fee to maintain the roads has been reduced to $50 per year, but he will still need to keep his business at least a hundred feet from the Grand Canyon rim so as not to disturb visitors.
Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."
Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
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.