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Manuscripts

Riffle at the lower end of Unkar Rapid. From approximately Mile 74 1/2. Bright Angel gauge: 18,700 cfs. Characteristic is the rapidly rising strata

Type: Manuscripts(Opens in new tab)
Date: 1942, July 20
Call number: mssMarston papers V058/0146
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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