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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - First Diversion [cut into tunnel] 250 cfs - 8:30 a.m..
Type: Visual Materials(Opens in new tab)
Date: 7/12/1955
Call number: photCL SCE 02 - 43287
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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