OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Excavation in progress at powerhouse site.
Type: Visual Materials(Opens in new tab)
Date: 7/30/1955
Call number: photCL SCE 02 - 43331
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

You might also be interested in

Portal Powerhouse - Portal Forebay
Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Portal Powerhouse
Visual Materials
Portal Powerhouse - Progress picture showing excavation in progress in powerhouse and weir area.
photCL SCE 02 - 43330
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 - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548