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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Dam from above spillway.
Type: Visual Materials(Opens in new tab)
Date: 10/13/1955
Call number: photCL SCE 02 - 43772
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 - Portal Forebay
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Portal Powerhouse - Portal Forebay - Left end of dam from downstream side, showing spillway and pilot channel.
photCL SCE 02 - 43787
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Portal Powerhouse - Forebay - Drilling rock for spillway excavation as seen from dam abutment.
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Portal Powerhouse - Portal Forebay - Spillway from downstream of crest.
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Portal Powerhouse - Portal Forebay - Pilot discharge channel from spillway.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Spillway channel from vicinity of crest.
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