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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
Type: Visual Materials(Opens in new tab)
Date: 10/11/1955
Call number: photCL SCE 02 - 43771
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
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Section of left side of inlet channel adjacent to tunnel.
photCL SCE 02 - 43782
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Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
photCL SCE 02 - 43785
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Big Creek, Huntington Lake Dams - Portal Forebay - Drilling 1st round of holes in portal face of short tunnel connecting open cut channel to Ward Tunnel through vertical shaft in adit.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548