c. 1965; "Thousands of visitors to Detroit enjoy views of down-river industrial skyline on day and nights cruises from Civic Center dock to Bob-Lo Island recreational park in Lake Erie." (from back of postcard); the Columbia was built in 1902 by the Detroit Dry Dock Company; designed by Frank Kirby; commissioned by Walter Campbell, president of the Detroit, Belle Isle, and Windsor Ferry Company; from 1902-1991 covered the Detroit to Boblo Island route.