Cartes topographiques Washington

Altitude moyenne : 165 m

Altitude moyenne : 38 m

After power shortages in the Northwest during the 1960s, it was determined the six remaining planned pumps be pump-generators. When energy demand is high, the pump-generators can generate electricity with water from the Banks Lake feeder canal adjacent to the dam at a higher elevation. By 1973, the…

Altitude moyenne : 423 m

Altitude moyenne : 58 m