Matching Items (4)
Filtering by
- All Subjects: Grand Canyon (Ariz.)
- All Subjects: Pima County (Ariz.)
- Creators: Smith, George Otis
- Creators: Connolly, Neva
- Creators: Dawson, C. D.
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.
ContributorsSmith, George Otis (Author)
Created1918-05-01
Description
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
ContributorsDawson, C. D. (Author)
Created1916-04-18
Description
Letter from C. D. Dawson to Carl Hayden urging him to consider the rights of miners and farmers when drawing up the boundaries for the proposed park.
ContributorsFonseca, Julia (Author) / Scalero, David (Author) / Connolly, Neva (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created2000-05
DescriptionDocuments the preparation of a geographic information system cover that represents springs in Pima County, discusses characteristics of certain springs in Pima County, and identifies actions needed to improve the conservation of springs and spring habitats.