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Visual Materials

Portal Powerhouse - Portal Forebay

Description: Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
Type: Visual Materials(Opens in new tab)
Date: 10/17/1955
Call number: photCL SCE 02 - 43785
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 - Portal Forebay - North side of reservoir and blanketed moraine from top of dam near left abutment.
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Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
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Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
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