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Visual Materials

Portal Powerhouse - Portal Forebay

Description: Portal Powerhouse - Portal Forebay - Looking up shaft, shows inlet tunnel intersection with shaft, temporary ladder.
Type: Visual Materials(Opens in new tab)
Date: 10/17/1955
Call number: photCL SCE 02 - 43791
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 - Looking up inlet channel, showing excavation progress.
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Portal Powerhouse - Portal Forebay - Looking west
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Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Section of left side of inlet channel adjacent to tunnel.
photCL SCE 02 - 43782
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.
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Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Bottom of vertical shaft in adit, shows upper portion of concrete bulkhead in adit.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - View at site of proposed intake channel looking toward Camp 61 vertical shaft.
photCL SCE 02 - 43620