Matching Items (3)
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- All Subjects: Grand Canyon (Ariz.)
- All Subjects: Arizona
- Creators: United States. Forest Service
- Status: Published
ContributorsHayden, Carl T. (Author) / Smith, George Otih (Author)
Created1918-04-25
Description
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
ContributorsUnited States. Forest Service (Publisher)
Created1925-10-19
DescriptionProposed Adjustments in Boundaries of Grand Canyon National Park.
ContributorsArizona. Department of Transportation (Issuing body) / Arizona. Department of Transportation. Environmental and Enhancement Group (Sponsor) / United States. Federal Highway Administration (Sponsor) / United States. Forest Service (Sponsor)
Created2005-11-18