Christopher Columbus whaleback Milw Broadway bridgedock

Sprague painting the s. S. Christopher columbus was a whaleback excursion liner designed by alexander mcdougall and built in 1892-1893 in superior, wisconsin by american steel barge company for service to ferry passengers to and from the world's columbian exposition, and later placed in general and excursion service to various ports around the great lakes. This image is of her passing under the broadway lift bridge in milwaukee, wisconsin, circa 1909. Date: Taken probably circa 1909, based on liveries.