Matching Items (2)
Filtering by
- All Subjects: Grand Canyon (Ariz.)
- All Subjects: Sonoran Desert
- Creators: Darton, Nelson Horatio
- Creators: Sayre, Nathan F
ContributorsSayre, Nathan F (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created2000-09
Description
A companion to the Preliminary Ranch Conservation Element, this report brings together leaders in the area of ranch conservation and compiles their expert writings on ecological and economic sustainability in ranching.
ContributorsDarton, Nelson Horatio (Author) / Fred Harvey (Publisher)
Created1917
DescriptionBooklet describing a geological survey of the Grand Canyon. Four editions: 1917, 1929, 1936, 1950.