Official Handbook of the Panama Canal - Booklet -- [1915]. Booklet created by the Washington Government Printing Office. The booklet provides information about shipping facilities, distance saved, cost saving of the canal, tolls, traffic routes, and the Navy's use of the canal. The cover of the booklet is light green with a photograph of a ship passing through the calan. The title of the booklet is printed in red. The cover has been stamped by The Panama Canal Exhibit in San Francisco.