What century were the Leiper Canal and Duluth Ship Canal built?
Leiper Canal Early in the 19th century, the Leiper Canal built in 1828-29 during the middle of the American canal age ran about 3 mi along Crum Creek in Delaware County to its mouth in Eastern Pennsylvania's Delaware Valley carrying its owners quarried products to docks on the Delaware River tidewater until 1852.
Agnar Bachen Agnar Bachen (1922–1996) was a Norwegian, later naturalized British ship captain. He is mainly notable for having taken the first major shipment of grain from the City of Duluth, Minnesota to Europe establishing Duluth as port city on America’s fourth seacoast one year before the opening of the St Lawrence Seaway in 1959.