Portal Powerhouse

Description: Portal Powerhouse - Excavation below pipe. Progress about 7ft. from final elevation.
Type: Visual Materials(Opens in new tab)
Date: 8/11/1955
Call number: photCL SCE 02 - 43658
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 - Looking up inlet channel, showing excavation progress.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
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