Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Borrow area 3, source of tunnel muck for downstream zone of dam.
- Date
- 8/10/1955
- Call number
- photCL SCE 02 - 43611
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Loading tunnel muck for placement in dam downstream zone.
photCL SCE 02 - 43629
Visual Materials
Portal Powerhouse - Forebay - East portion of dam foundation showing contact between impervious zone, filter, & tunnel muck zone.
photCL SCE 02 - 43614
Visual Materials
Portal Powerhouse - Select tunnel muck filter zone blanket downstream portion of dam maximum section.
photCL SCE 02 - 43595
Visual Materials
Portal Powerhouse - Forebay - Borrow area 2 from west abutment of dam.
photCL SCE 02 - 43584
Visual Materials
Portal Powerhouse - Forebay - View of borrow area 2.
photCL SCE 02 - 43615
Visual Materials
Portal Powerhouse - Forebay - Clearing & scraping borrow area 2.
photCL SCE 02 - 43577