Matching Items (5)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Mining
- All Subjects: Page, John H., 1877-1960
- Creators: Grand Canyon National Park, National Park Service, U.S. Department of the Interior
- Creators: Potter, A. F.
ContributorsPotter, A. F. (Author)
Created1918-01-10
Description
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."
ContributorsPotter, A. F. (Author)
Created1910-08-15
Description
Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.
ContributorsGrand Canyon National Park, National Park Service, U.S. Department of the Interior (Publisher)
Created1977-09
DescriptionNatural resources management plan and environmental assessment for preserving natural resources within the park for use and enjoyment of visitors. The approach is guided by the concept of maintaining and perpetuating ecosystems rather than protecting or preserving individual features or favored species.
ContributorsGrand Canyon National Park, National Park Service, U.S. Department of the Interior (Publisher)
Created1977-09
DescriptionThis addendum to the 1977 GCNP managment plan includes priority projects and planning for a 5-year period.
ContributorsGrand Canyon National Park, National Park Service, U.S. Department of the Interior (Publisher)
Created1976-11
Description
Feral burro management plan and environmental assessment for Grand Canyon National Park in Arizona.