Board of Trade , Duluth, Minnesota
Women track prices on chalkboards above the Duluth board of trade trading floor. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Board of Trade, Duluth, Minnesota
Trading floor of Duluth Board of Trade building at 301 West First Street. ~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections