Front:
808-HIGHWAY AND RAILWAY TUNNELS, BONNEVILLE DAM, COLUMBIA RIVER, OREGON
9A-H458
Back:
BONNEVILLE DAM-COLUMBIA RIVER
Cost $42,000,000. Spillway 1,600,000 cubic
feet per second. Canal locks for Ocean ves.
sels make navigation possible as far as The
Dalles-187 miles inland.
C.T. ART.COLORTONE'' RES. U.S. PAT. OFF.-WESLEY ANDREWS CO., PORTLAND, ORE.
