Whaleback vessel “Alexander McDougall,” Duluth, Minnesota
whaleback Alexander McDougall leaving Duluth ship canal with Duluth hillside in view; piers with lightposts; whitecaps; aerial bridge ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Whaleback “Alexander McDougall” near docks, Duluth, Minnesota
Whaleback Alexander McDougall near docks ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Building plan for a whaleback vessel, West Superior, Wisconsin
Design drawing, plan and elevation of a whaleback vessel. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Building plan for a whaleback vessel, West Superior, Wisconsin
Design drawing, elevation of a whaleback vessel. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Building plan for a whaleback vessel, West Superior, Wisconsin
Design drawing, plan and elevation of a whaleback vessel. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Building plan for a whaleback vessel, West Superior, Wisconsin
Design drawing, elevation of a whaleback vessel. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections