Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Progress picture showing excavation in progress in powerhouse and weir area.
- Date
- 7/30/1955
- Call number
- photCL SCE 02 - 43330
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Progress picture - Excavation in diversion channel to Rancheria Creek.
photCL SCE 02 - 43273
Visual Materials
Portal Powerhouse - Forebay - Progress picture showing placement of upstream impervious fill in sluice pipe area, to top of 24" sluice pipe concrete encasement.
photCL SCE 02 - 43327
Visual Materials
Portal Powerhouse - Forebay - Looking up inlet channel, showing excavation progress.
photCL SCE 02 - 43548
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 - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725
Visual Materials
Portal Powerhouse - Excavation in progress at powerhouse site.
photCL SCE 02 - 43331