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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - View from top of south bank. Same flow.
Type: Visual Materials(Opens in new tab)
Date: 10/22/1955
Call number: photCL SCE 02 - 43894
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
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Portal Powerhouse - 1500 cfs flow taken from top of south bank of channel.
photCL SCE 02 - 43914
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
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Portal Powerhouse - Emergency ditch dug to control increased flow thru bank at lower left.
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Portal Powerhouse
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Portal Powerhouse - View of tunnel diversion during test flow of 490 cfs. Flow from 6'x12' opening in 12' pipe.
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Portal Powerhouse
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Portal Powerhouse - South bank of powerhouse excavation with considerable seepage from tunnel diversion.
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Portal Powerhouse
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Portal Powerhouse - General view of Powerhouse & tailrace. Flow at 1000 cfs.
photCL SCE 02 - 43890