OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Excavation for spill pipe of Surge Tank.
Type: Visual Materials(Opens in new tab)
Date: 6/28/1956
Call number: photCL SCE 02 - 44605
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
Visual Materials
Portal Powerhouse - Surge Tank excavation.
photCL SCE 02 - 44602
Portal Powerhouse
Visual Materials
Portal Powerhouse - Surge Tank excavation.
photCL SCE 02 - 44603
Portal Powerhouse
Visual Materials
Portal Powerhouse - First stage of Surge Tank excavation. Rock near top is decomposed granite.
photCL SCE 02 - 44604
Portal Powerhouse
Visual Materials
Portal Powerhouse - Outlet end and anchor on concrete overflow pipe from surge chamber.
photCL SCE 02 - 44819
Portal Powerhouse
Visual Materials
Portal Powerhouse - Excavation to uncover lower end of 12' pipe.
photCL SCE 02 - 43278
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Foundation excavation at location for sluice pipe, viewed from upstream.
photCL SCE 02 - 43586