Iron ore cars, Duluth, Minnesota
railroad cars, iron ore cars, breakrod and platform, Duluth Missabe and Northern Railway Ore Docks ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Iron ore cars at the ore docks, Duluth, Minnesota
railroad cars, iron ore cars, breakrod and platform, Duluth Missabe and Northern Railway Ore Docks ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections