PICTURESQUE WORLD’S FAIR. AN ELABORATE COLLECTION OF COLORED VIEWS Page 67 – THE WHALEBACK, "CHRISTOPHER COLUMBUS." THE WHALEBACK, "CHRISTOPHER COLUMBUS."—The steamboat company accorded the privilege of controlling the passenger traffic by water between the central part of Chicago and the Fair Grounds had a number of boats in its service but none to compare either in size or speed with the "Christopher Columbus,' popularly known as the "Whale-back." The "Christopher Columbus" was one of the best of the type [...]