Two Lake Freighters Locking Down in Davis Lock, Guard Gates Just Opening, Soo, Mich.

FREIGHTERS WAITING THEIR TURN TO ENTER THE LOCKS, SAULT STE. MARIE, MICH.37

BIRD'S EYE VIEW OF LOCKS, MONSTER FREIGHTERS "LOCKING UP, SAULT STE, MARIE, MICH-35 JACK KNIFE BRIDGE AT LEFT, INTERNATIONAL BRIDGE IN DISTANCE "IN THE LAND OF HIAWATHA"

Ships in plastic between cardboard in a stamped envelope