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ContributorsHamilton, Ed (Author)
DescriptionGrand Canyon Village to Rowe's Well Road. Circa 1935.
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ContributorsGreene, Harold (Author)
Created1917-02-09
Description

Letter from Harold Greene to Carl Hayden regarding the proposed boundaries for the national park bill.

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ContributorsHamilton, Ed (Author)
Created1923-10-23
Description

Letter from Ed Hamilton to Carl Hayden regarding the storage of dynamite in Shoski 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.