Matching Items (4)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Grand Canyon National Park, National Park Service, U.S. Department of the Interior
- Creators: Breen, Fred S.
ContributorsBreen, Fred S. (Contributor)
Created1924-12-07
Description
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.
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.
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)
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.