Matching Items (2)
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- All Subjects: Desert conservation
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Dickinson, Alf
- Creators: Pima County (Ariz.). County Administration Office
- Status: Published
![41160-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41160-Thumbnail%20Image.png?VersionId=De3yjozFLNDOStLYpNjJjpgytkxv251U)
ContributorsDickinson, Alf (Author)
Created1926-04-27
Description
Letter from Alf Dickenson to Carl T. Hayden about securing mining permits within the park.
![42738-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-07-06/42738-Thumbnail%20Image.png?VersionId=j_qEqYHfbbrovjHeo249mETLPeJKaged)
ContributorsPima County (Ariz.). County Administration Office (Publisher)
Created2000-04
Description
Describes a number of streams within watershed planning units and prioritizing these streams according to their existing contribution to the overall conservation of biological diversity in Pima County. Over 50 percent of the priority streams within the County are found within the Altar Valley and the Cienega Rincon area.