Front:
121-D
Great Lakes Packet Freighter Entering Duluth-Superior Harbor. Lift Bridge Raised
Back:
The famous Lift Bridge at the entrance to
the Duluth-Superior Harbor, is the largest of
its kind in the world. The 900 ton span, raised
by electrical energy stored in batteries, rises
120 feet in 50 seconds each time a boat enters
the harbor. The U. S. Government records
show that since 1895 the stupendous total of
1,317,092,019 tons of merchandise, in receipts
and shipments, have passed thru this harbor.
ZA-H1069
ST. MARIE'S, GOPHER NEWS CO., MINNEAPOLIS, MINN.
