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Manuscripts

Dropping into the head of Mile 217 Rapid. Preliminary Bright Angel gauge: 90,500 cfs

Type: Manuscripts(Opens in new tab)
Date: 1957, June 22
Call number: mssMarston papers V091/0066
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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At the head of Mile 217 Rapid. Preliminary gauge at Bright Angel: 90,500 cfs
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