OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
Type: Visual Materials(Opens in new tab)
Date: 9/14/1955
Call number: photCL SCE 02 - 43703
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 - Forebay
Visual Materials
Portal Powerhouse - Forebay - View of intake channel taken from vertical shaft. Absence of hard rock in area of excavation is here shown.
photCL SCE 02 - 43631
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - View at site of proposed intake channel looking toward Camp 61 vertical shaft.
photCL SCE 02 - 43620
Portal Powerhouse - Portal Forebay
Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Inlet channel from top of vertical shaft.
photCL SCE 02 - 43768
Portal Powerhouse - Portal Forebay - Looking west
Visual Materials
Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767