Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
- Date
- 10/11/1955
- Call number
- photCL SCE 02 - 43771
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
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
Visual Materials
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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Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767
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Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548
Visual Materials
Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768