Matching Items (6)
Filtering by
- All Subjects: Legislation
- All Subjects: Geology
- All Subjects: Transportation
- Creators: United States National Park Service
- Creators: Smith, George Otis
- Creators: Maricopa County (Ariz.). Department of Transportation
ContributorsMaricopa County (Ariz.). Department of Transportation (Author)
Created2011 to 2016
Description
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.
ContributorsSmith, George Otis (Author)
Created1918-05-01
Description
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
ContributorsSmith, George Otis (Author)
Created1918-04-23
Description
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
ContributorsUnited States National Park Service (Publisher)
Created1925-10-19
DescriptionMap of Proposed Boundary Changes to Grand Canyon National Park.
ContributorsUnited States National Park Service (Publisher)
Created1939-04
DescriptionEducational leaflet on the formation of the Grand Canyon.
ContributorsUnited States National Park Service (Publisher)
Description
Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.