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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.

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Created1940
DescriptionGuide Leaflet No. 3 detailing the west rim drive in the Grand Canyon.
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Created1933
DescriptionGuide Leaflet No. 1 detailing the desert view drive of the Grand Canyon.
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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.