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Visual Materials

Portal Powerhouse - Portal Forebay

Description: Portal Powerhouse - Portal Forebay - Reservoir looking north, shows northeast end of dam.
Type: Visual Materials(Opens in new tab)
Date: 9/15/1955
Call number: photCL SCE 02 - 43855
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 - North side of reservoir and blanketed moraine from top of dam near left abutment.
photCL SCE 02 - 43784
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 - Portal Forebay
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Portal Powerhouse - Portal Forebay - View across reservoir towards inlet channel, from top of dam.
photCL SCE 02 - 43785
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Looking up shaft, shows inlet tunnel intersection with shaft, temporary ladder.
photCL SCE 02 - 43791
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 - Looking west
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Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856