Matching Items (2)
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- All Subjects: Desert conservation
- All Subjects: Dickinson, Alfred E., 1870-1940
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Dickinson, Alf
- Creators: Regan, John J.
ContributorsDickinson, Alf (Author)
Created1926-04-27
Description
Letter from Alf Dickenson to Carl T. Hayden about securing mining permits within the park.
ContributorsFonseca, Julia (Author) / Regan, John J. (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created2001-10
Description
If one species had to be chosen to preserve and restore, perhaps it should be cottonwood. Cottonwood-willow forests, where they exist and are healthy, indicated the presence of a viable riparian area, which is in turn the key to conserving great proportions of our native species. A reflection of the dire status of our riparian systems is that the Sonoran cottonwood-willow and Sonoran mesquite-cottonwood forests.