Portal Powerhouse

Description: Portal Powerhouse - Manitowac Shovel excavating new diversion channel to south of 1955 diversion, for use during 1956.
Type: Visual Materials(Opens in new tab)
Date: 10/22/1955
Call number: photCL SCE 02 - 43895
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 - Flattening south excavation slope between powerhouse site and tunnel diversion channel.
photCL SCE 02 - 43541
Portal Powerhouse
Visual Materials
Portal Powerhouse - During outage, view down channel from point opposite outlet of diversion channel.
photCL SCE 02 - 43799
Portal Powerhouse
Visual Materials
Portal Powerhouse - Temporary diversion channel; stream gauger's cabin in background.
photCL SCE 02 - 43646
Portal Powerhouse
Visual Materials
Portal Powerhouse - Lowering grade in diversion channel lower Rancheria Creek section
photCL SCE 02 - 43540
Portal Powerhouse
Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: South side of channel from under highway bridge.
photCL SCE 02 - 43797
Portal Powerhouse
Visual Materials
Portal Powerhouse - Deepening tailrace channel near powerhouse before end of outage and start of diversion thru by-pass.
photCL SCE 02 - 43801