Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - South showing large Barronca eroded above tunnel adit. Apex of Bar. located on north side around "Morain".
- Date
- 1/17/1956
- Call number
- photCL SCE 02 - 43951
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - North showing large Barronca eroded above tunnel adit.
photCL SCE 02 - 43952

Visual Materials
Portal Powerhouse - South showing erosion damage to road. Camp Creek west channel eroded 10' by 25' wide.
photCL SCE 02 - 43950

Visual Materials
Portal Powerhouse - Looking downstream from above Ward Tunnel.
photCL SCE 02 - 43944

Visual Materials
Portal Powerhouse - Eroded gullley north of dike.
photCL SCE 02 - 44003

Visual Materials
Portal Powerhouse - Eroded gully north of dike.
photCL SCE 02 - 44005

Visual Materials
Portal Powerhouse - Foundation excavation in firm decomposed granite draft tube side of powerhouse. Excavation approx. 1' above final grade.
photCL SCE 02 - 43546