Front: BIRD'S-EYE VIEW OF LOCKS, MONSTER FREIGHTERS "LOCKING UP," SAULT STE. MARIE, MICH.-35 JACK KNIFE BRIDGE AT LEFT, INTERNATIONAL BRIDGE IN DISTANCE Back: (с CO 15091N PUB. BY A. E. YOUNG, SAULT STE. MARIE, MICH. MADE IN U. S. A.