The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

CONTENTS Meaning of Buoys sae san botons Inside Front Cover The Great Lakes. . St. Marys Falls Canal. . Sault Ste. Marie, Ontario Ship Canal......... 7 The Welland Canal The St. Lawrence Seaway...... How the Locks Operate....... 9 Meaning of Boat Whistles 10 Nautical Measurement . 10 Index to Lake Fleet 12 St. Lawrence Seaway and Great Lakes Waterway Map ... 24-25 Storm Warnings............. 32 Owners and Managers of Lake Vessels Nautical Terms. ............. 41 Stack Markings, U.S.A. and Canada. . International Flags... . Stack Markings, Ocean Vessels......... Mileage Between Ports Talking Lights Photo by Al Sweigert 1975 saw the birth of anew steamship company, Soo River Transports of Toronto, Ont. Their first ship, The JUDITH M. PIERSON, is shown outbound in the Cuyahoga River at Cleveland, Ohio passing under the I-71 bridge. 2