Estate sale find!
Two large Kodak paper photographs of the schematics for the Balsam Meadow Hydroelectric project in Central California, part of the Big Creek Hydroelectric Project on the upper San Joaquin River system in the mid 1980's. Ran by Southern California Edison (SCE).
Shows Shaver Lake and Huntington Lake also.
One photo shows the entire schematic while the other one shows the 200 MW Pump-Turbine Generator Motor.
The schematic photo itself is 20 x 24 inches. The Motor photo is 17.5 x 25 inches.
They are both mounted on mat boards and have plenty of wide tape attached to the edges, see pics. Some tears, marks, etc. See pics below.