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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Nearing completion of landscaping spoil area between tailrace channel and Forest Service road.
Type: Visual Materials(Opens in new tab)
Date: 10/19/1955
Call number: photCL SCE 02 - 43804
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 - Leveling of spoil area over old Potter Creek channel. Note forest litter spread along north bank of tailrace channel.
photCL SCE 02 - 43896
Portal Powerhouse
Visual Materials
Portal Powerhouse - Down tailrace channel near powerhouse.
photCL SCE 02 - 43904
Portal Powerhouse
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Portal Powerhouse - Cutting pilot channel through unfinished high section of tailrace channel.
photCL SCE 02 - 43800
Portal Powerhouse
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Portal Powerhouse - Record photo of appearance of tailrace channel immediately downstream from powerhouse prior to excavation for tailrace weir.
photCL SCE 02 - 44821
Portal Powerhouse
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Portal Powerhouse - Down tailrace channel, 700 cfs flow.
photCL SCE 02 - 43897
Portal Powerhouse
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Portal Powerhouse - Nearing completion of lowering Howell Bunger valve into place. Note D.C. Cat. being used as hold down for Manitowac Crane.
photCL SCE 02 - 44801