by G. Donald Bain
Director, Geography Computing Facility
University of California at Berkeley
(dbain@socrates.berkeley.edu)

W.A.C. Bennett Dam on the Peace River

an emergency release gives a once in a lifetime display

 

O'Shaugnessy Dam on the Tuolumne River - San Francisco's water supply

spillway on the face of the dam - overflow alongside the dam

 

Grand Coulee Dam

it used to be every spring, now it's once an hour

 

Summer Falls, south of Grand Coulee

water diverted for irrigation makes a spectacular falls in the desert

 

The Owens Valley Aqueduct at San Fernando

purely for show, Los Angeles' water supply cascades down a concrete chute