Front:
SPILLWAY OF GRAND COULEE DAM. COLUMBIA BASIN PROJECT, WASH.
P-178
Back:
20459N
Called the "Eighth Wonder of the World,"
this world's biggest power dam, with an ultimate
capacity of 1,944,000 kilowatts, now is pouring
400,000 kilowatts into the Bonneville-Grand
Coulee transmission network.
COL
-BUREAU OF RECLAMATION PHOTO-