Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Record photo of appearance of tailrace channel immediately downstream from powerhouse prior to excavation for tailrace weir.
- Date
- 9/24/1956
- Call number
- photCL SCE 02 - 44821
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Tailrace channel downstream from deck of highway bridge.
photCL SCE 02 - 43925

Visual Materials
Portal Powerhouse - View of tailrace channel from point near lower end of excavation.
photCL SCE 02 - 43694

Visual Materials
Portal Powerhouse - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545

Visual Materials
Portal Powerhouse - Starting excavation from Station 0+00, lower end of tailrace channel.
photCL SCE 02 - 43568

Visual Materials
Portal Powerhouse - Tailrace channel excavation view from highway bridge. Boulders ready for shooting.
photCL SCE 02 - 43641

Visual Materials
Portal Powerhouse - View to highway bridge with tailrace channel excavation readying large boulders for blasting.
photCL SCE 02 - 43640