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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Forebay - North across rock-protected spillway crest.
Type: Visual Materials(Opens in new tab)
Date: Oct. 1955
Call number: photCL SCE 02 - 43816
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 - Cleaning and trimming rock foundation for spillway crest concrete.
photCL SCE 02 - 43759
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Showing forms for concrete spillway crest.
photCL SCE 02 - 43765
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Spillway channel from vicinity of crest.
photCL SCE 02 - 43818
Portal Powerhouse
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Portal Powerhouse - Portal Forebay - Looking north-west - shows rock-lined upstream face of dam.
photCL SCE 02 - 43857
Portal Powerhouse
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Portal Powerhouse - Portal Forebay - Dam looking north-east shows compacting and lining upstream face with rock.
photCL SCE 02 - 43858
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Pilot discharge channel from spillway.
photCL SCE 02 - 43793