Main Floor Areas and Radiation of the Union Depot, Duluth, Minnesota
Architectural drawing (pencil on linen) showing main floor plan, heat radiators and room occupancy of the Union Depot, Duluth, Minnesota built in 1892. Also known as the St. Louis County Heritage and Arts Center, home of the Lake Superior Railroad Museum. Scale: 1/8″” = 1′ .
~ Photo Credit: Lake Superior Railroad Museum