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.
John J. Holland John Holland was a shipbuilder in Seattle, Washington in the late 19th century. Among the vessels built at his yard was the sternwheel steamboat "Fairhaven" in 1889., and, in 1890, the famous sternwheeler "Bailey Gatzert".