Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Cutting pilot channel through unfinished high section of tailrace channel.
- Date
- 10/18/1955
- Call number
- photCL SCE 02 - 43800
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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 - excavating tailrace channel to final grade in section up-stream from Highway Bridge.
photCL SCE 02 - 43689
Visual Materials
Portal Powerhouse - View from highway bridge showing excavation progress in tailrace channel section isolated by diverting flow into Potter Creek Tunnel.
photCL SCE 02 - 43562
Visual Materials
Portal Powerhouse - Down tailrace channel near powerhouse.
photCL SCE 02 - 43904
Visual Materials
Portal Powerhouse - Record photo of appearance of tailrace channel immediately downstream from powerhouse prior to excavation for tailrace weir.
photCL SCE 02 - 44821
Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: Up channel from below highway bridge.
photCL SCE 02 - 43795