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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Forebay - Looking north-east along axis of dam from station 1+43.
Type: Visual Materials(Opens in new tab)
Date: 6/24/1955
Call number: photCL SCE 02 - 43270
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
Visual Materials
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 - Reservoir looking north, shows northeast end of dam.
photCL SCE 02 - 43855
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Evidence of bed rock exposed by excavation between Stations 2+00 & 3+00, near the left abutment and along dam axis.
photCL SCE 02 - 43326
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 - Forebay - Looking northeast along 2nd. tangent
Visual Materials
Portal Powerhouse - Forebay - Looking northeast along 2nd. tangent - Portal Forebay dam [prior to any construction]
photCL SCE 02 - 43269
Big Creek Powerhouse #4 - Progress pictures (from Group 1)
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Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Dam 7 looking north along axis. Inlet tunnel portal at lower left.
photCL SCE 02 - 40629