Matching Items (5)
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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: Riordan, M. J.
- Status: Published
ContributorsRiordan, M. J. (Author)
Created1924-03-17
Description
Letter from M. J. Riordan to Carl Hayden expressing his opposition to the federal government's takeover of Bright Angel Trail.
ContributorsRiordan, M. J. (Author)
Created1924-03-07
Description
Letter from Michael J. Reardon to Carl T. Hayden, in agreement with Ralph Cameron, asserting that Bright Angel Trail should not be sold from Coconino County to the United States.
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.