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- All Subjects: Tucson (Ariz.)
- Creators: Pima County (Ariz.). County Administrator's Office
- Creators: United States National Park Service
The State of the System Report is a compilation of the physical inventory and status of the Maricopa County Department of Transportation’s infrastructure. It addresses roadway congestion, traffic safety, low volume road paving, bridges, and pavement conditions. Also, included are recommendations for future improvements within each of the infrastructure categories. The SOS report has been produced annually since 1998.
Letter from Miner Tillotson to Carl Hayden in regards to a request for two small blue spruce trees from the North Rim.
Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.
Reports on the development of a reconnaissance level numerical groundwater model of the Davidson Canyon and Cienega Creek watersheds. Includes recommendations for data that must be collected prior to completing environmental analyses for the proposed project.
Provides an inventory of infrastructure resources in the Upper Santa Cruz subregion of Pima County.
Provides an inventory of infrastructure resources in the southeast subregion of Pima County.
Provides an inventory of infrastructure resources in the northwest subregion of Pima County.
Provides an inventory of infrastructure resources in the southwest subregion of Pima County.
Provides an inventory of infrastructure resources in the Tucson Mountains / Avra Valley subregion of Pima County.