Portal Powerhouse

Description: Portal Powerhouse - Potter Creek channel used as temporary diversion. View from Hwy Bridge looking upstream.
Type: Visual Materials(Opens in new tab)
Date: 8/11/1955
Call number: photCL SCE 02 - 43647
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 - Progress picture showing lower end of Potter Creek diversion returning to main channel just upstream from highway bridge.
photCL SCE 02 - 43303
Portal Powerhouse
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Portal Powerhouse - Starting to fill Potter Creek temporary diversion channel after returning tunnel flow to permanent tailrace.
photCL SCE 02 - 43686
Portal Powerhouse
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Portal Powerhouse - View from highway bridge showing excavation progress in tailrace channel section isolated by diverting flow into Potter Creek Tunnel.
photCL SCE 02 - 43562
Portal Powerhouse
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Portal Powerhouse - Temporary diversion channel; stream gauger's cabin in background.
photCL SCE 02 - 43646
Portal Powerhouse
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Portal Powerhouse - Diverting tunnel flow from Rancheria Creek channel across main channel and into Potter Creek channel.
photCL SCE 02 - 43308
Portal Powerhouse - View from east bank of tailrace channel
Visual Materials
Portal Powerhouse - View from east bank of tailrace channel - temporary diversion channel.
photCL SCE 02 - 43649