What century were the Leiper Canal and Duluth Ship Canal built?
Duluth Ship Canal The Duluth Ship Canal is an artificial channel cut through Minnesota Point, providing direct access to Duluth harbor from Lake Superior. Begun privately in 1871, it was put under federal supervision and maintenance several years later. It is still an important component of the harbor facilities.
Duluth Civic Center Historic District Duluth Civic Center Historic District is a historic district in Duluth, Minnesota that includes four buildings: the Saint Louis County Courthouse, designed by architect Daniel Burnham and built in 1908–1909; Duluth City Hall, designed by Thomas J. Shefchik built in 1928, the Federal Building designed by government architects and built in 1920, and the Saint Louis County Jail built in 1924. The center is a notable work of the City Beautiful movement The complex is listed on the National Register of Historic Places.