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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 - Forebay
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Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703
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Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
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Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768
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Portal Powerhouse - Forebay - drilling final round in short tunnel inlet channel.
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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