Winter view of the remnants of the Whitney Brothers rock crushing business that stand in Lake Superior off the shore at Canal Park near the Aerial lift bridge. William A. Whitney and E. Harvey Whitney of Superior, Wisconsin, had a sand and gravel processing business. The largest concrete form was the dredging or crushing building. The structure was built in 1919. A tunnel ran from the building to Minnesota Point. There was a conveyor belt and railroad spur adjacent to the concrete building. Sand from the Apostle Islands and gravel from Grand Marais were carried to Duluth on a small vessel named LIMIT. There was also a tug the WILLIAM A. WHITNEY.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
On Monday, July 1, 1929, the suspended car made its last trip across the canal. The bridge's modification to operate with a lift span began on April 8, 1929, with a low bid of $448,000 by the Kansas City Bridge Company. The Aerial Lift Bridge was first operated on March 19, 1930. The bridge has a clearance of 138 feet when the lift section is completely up and when down it is 16.5 feet above the water. The length of the span is 386 feet and weighs 900 tons. The distance from the water to the lower edge of the truss is 172 feet 7 inches; to the top of the truss it is 227 feet. During the shipping season it makes about 25 lifts a day. The new bridge is owned and operated by the City of Duluth on permit authorized by Congress. The Ship Canal and grounds are under the authority of the Lake Superior Area Office of the U.S. Army Corps of Engineers.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
West Duluth; Iron Ore Docks; Duluth Municipal Stadium that would be renamed Wade Stadium; harbor; houses; baseball diamond; cars; Berwind Fuel Company at South Fiftieth Avenue West and NP Railway tracks; ore carriers; ore boats; iron ore docks; Thirty-ninth Avenue west; summer; trees
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections