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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
Type: Visual Materials(Opens in new tab)
Date: 8/15/1955
Call number: photCL SCE 02 - 43548
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
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Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Looking up shaft, shows inlet tunnel intersection with shaft, temporary ladder.
photCL SCE 02 - 43791
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
photCL SCE 02 - 43785
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 - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768