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- All Subjects: Sonoran Desert
- Creators: Behlau, Frank P.
- Creators: Regan, John J.
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.
ContributorsBehlau, Frank P. (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created2000-01
Description
Provides an overview of Pima County's (1) natural, constructed and administrative form makers, (2) the origins and implementation of planning and zoning legislation and regulations, and (3) a decade-by-decade review of some of the major land use decisions made within Pima County since the 1920s.