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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Section of left side of inlet channel adjacent to tunnel.
Type: Visual Materials(Opens in new tab)
Date: 10/17/1955
Call number: photCL SCE 02 - 43782
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 - Lower portion of float well and adjacent portion of communication pipe leading into inlet channel. Photo taken from floor of short section of tunnel in forebay inlet channel.
photCL SCE 02 - 44815
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Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
photCL SCE 02 - 43771
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Portal Powerhouse - Portal Forebay - Left end of dam from downstream side, showing spillway and pilot channel.
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Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
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Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
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Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548