OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Surge Tank excavation.
Type: Visual Materials(Opens in new tab)
Date: 6/28/1956
Call number: photCL SCE 02 - 44603
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 - Excavation for spill pipe of Surge Tank.
photCL SCE 02 - 44605
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 - Starting reinforcing steel for upper portion of surge chamber structure.
photCL SCE 02 - 44820
Portal Powerhouse
Visual Materials
Portal Powerhouse - Further excavation for Portal Powerhouse.
photCL SCE 02 - 43610
Portal Powerhouse
Visual Materials
Portal Powerhouse - Outlet end and anchor on concrete overflow pipe from surge chamber.
photCL SCE 02 - 44819