Visual Materials
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Map showing early transmission line corridors in southern California for Southern Sierras Power Co., Pacific Light & Power, and Southern California Edison.
photCL SCE 07 - 02447

Visual Materials
Partial map of California showing the early transmission line corridors belonging to Pacific Light and Power, Pacific Gas & Electric, Southern California Edison, Southern Sierras Power Co., San Joaquin Light & Power, Sierra & San Francisco Power and Western States Gas & Electric. No number originally assigned by Cal. Electric and - no documentation included.
photCL SCE 07 - 00037

Visual Materials
Map of California showing the early transmission line corridors and powerplants belonging to The Nevada-California Electric Corp..
photCL SCE 07 - 00038

Visual Materials
California Electric Power Corp. - Nevada-California Electric Power Co. - View down H-frame transmission line corridor built by Southern Sierras Power Co. to serve the construction of Hoover Dam.
photCL SCE 07 - 02611

Visual Materials
This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change. Pg. 219.
photCL SCE 11 - 00438

Visual Materials
California Electric Power Corp. - Southern Sierras Power Co. - Pole yard, field crews constructing a wood pole transmission line in the desert, Southern Sierras Power Co. portable office trailers being moved into construction camps.
photCL SCE 13 - vol 127