Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Extent of washing due to high water in Potter Creek.
- Date
- 5/18/1956
- Call number
- photCL SCE 02 - 44559
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Cut bank in rear of powerhouse structure showing extent of minor washing due to overflow of seepage water into excavation.
photCL SCE 02 - 43734
Visual Materials
Portal Powerhouse - Potter Creek undermined 2 to 5 feet.
photCL SCE 02 - 44001
Visual Materials
Portal Powerhouse - Potter Creek culvert washed out.
photCL SCE 02 - 43999
Visual Materials
Portal Powerhouse - Potter Creek culvert washed out.
photCL SCE 02 - 44002
Visual Materials
Portal Powerhouse - Enlarging Potter Creek channel to handle tunnel flow during excavation of tail race channel.
photCL SCE 02 - 43302
Visual Materials
Portal Powerhouse - Continuance of washing daused by break-through of seepage water from diversions. Discharge was reduced to eliminate auxiliary spill in pipe.
photCL SCE 02 - 43962