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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Scraping foundation of dam site near Station 3+00.
Type: Visual Materials(Opens in new tab)
Date: 7/20/1955
Call number: photCL SCE 02 - 43585
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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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - View from station 5+00, looking toward left abutment, showing outcroppings of ledge rock while excavating for upstream cutoff under impervious section.
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Portal Powerhouse - Portal Forebay - North side of reservoir and blanketed moraine from top of dam near left abutment.
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