Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Looking downstream from above Ward Tunnel.
- Date
- 1/17/1956
- Call number
- photCL SCE 02 - 43944
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Downstream thru spray chamber at approx. 1800 cfs flow thru Ward Tunnel.
photCL SCE 02 - 43921

Visual Materials
Portal Powerhouse - Lower Portal release from Ward Tunnel prior to Portal Powerhouse construction.
photCL SCE 02 - 43268

Visual Materials
Portal Powerhouse - Ward tunnel diversion from Powerhouse construction.
photCL SCE 02 - 43594

Visual Materials
Portal Powerhouse - Select tunnel muck filter zone blanket downstream portion of dam maximum section.
photCL SCE 02 - 43595

Visual Materials
Portal Powerhouse - construction with 440 cfs. diversion from Ward Tunnel.
photCL SCE 02 - 43761

Visual Materials
Portal Powerhouse - Vermilion Dam - Looking downstream from crest (largest gulley) after storm.
photCL SCE 02 - 43663