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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Upper portion of intake channel and portal of tunnel.
Type: Visual Materials(Opens in new tab)
Date: 10/1/1955
Call number: photCL SCE 02 - 43756
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 - Portal Forebay
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Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Tunnel portal at end of entrance channel.
photCL SCE 02 - 43806
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Portal Powerhouse - Forebay - Tunnel channel.
photCL SCE 02 - 43811
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Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Intake channel erosion through blanket & blanket protection since placement in 1955.
photCL SCE 02 - 44787