Matching Items (3)
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- All Subjects: Grand Canyon (Ariz.)
- Creators: Evans, R. T.
- Creators: Pollock, T. E.
- Creators: United States National Park Service
ContributorsPollock, T. E. (Author)
Created1916-04-13
Description
Letter from T. E. Pollock to Carl Hayden expressing his dissatisfaction with the proposed boundaries in the national park bill.
ContributorsUnited States National Park Service (Publisher)
Created1939-04
DescriptionEducational leaflet on the formation of the Grand Canyon.
ContributorsMatthes, F. (Author) / Evans, R. T. (Author) / The Military engineer (Publisher)
Created1926-05
DescriptionGeological Survey of the Grand Canyon in published journal. Vol. XVIII, No. 99.