A major landslide in 1965 crushed the Lower Baker powerhouse and its two turbines , Units 1 and 2 .
On July 9 , 1959 , Upper Baker Dam was completed and the inflow to Lake Shannon became regulated for the first time .
A major landslide in 1965 crushed the Lower Baker powerhouse and Lake Shannon 's two turbines , Units 1 and 2 .
On July 9 , 1959 , Upper Baker Dam was completed and the inflow to Lake Shannon became regulated for the first time .