Front:
120-D
ORE BOATS ENTERING ORE DOCKS FOR CARGO
LOADING IRON ORE INTO GIANT FREIGHTERS ON LAKE SUPERIOR
ZAHI054
Back:
Lake Superior Harbors have the largest iron
ore docks in the world, and the annual ore
shipments from these docks run as high as
60 million tons.
ZENITH-INTERSTATE NEWS CO., DULUTH, MINN.
