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CONTENTS Meaning of Buoys................0. Inside Front Cover Publisher... 2... eee 1 The Great Lakes’: oc:¢cu:s a we ewe Sadao hy aw save eu a 4 St. Marys Falls Canal. 2... ee ee eee eee 6 Sault Ste. Marie, Ontario Ship Canal................. 7 The Welland Canal... 0.2... ee eee eae 7 The St. Lawrence Seaway... 0... ee cee 8 How the Locks Operate... 2.0... 0... eee eee ee ee 9 Meaning of Boat Whistles. .... 2... 0.0.0.0... 0 000s 10 Nautical Measurement ............ 00.0000 c ee eee eee 10 Index to Lake Fleet's 02 a sc4 .c0%s bin penne de woes ae 12 St. Lawrence Seaway and Great Lakes Waterway Map...............000. 24-25 Rules to Remembe fac 2005 si c0 ds aiwev ee eevaceayees eee 31 Storm Warnlngsis sv. 53 diss dicta cach necaledeng wae xe eersaea 32 Owners and Managers of Lake Vessels. ..........-..-. 34 Nautical Terms... 0... eee tenes 40 Stack Markings, U.S.A. and Canada.............-5.- 42-43 International Flags... 6... ee ee eee 44-45 Stack Marking, World Over ........ 0.00000 e eee 46-47 Mileage Between Ports... 0... 0. eee eee eee 49 How the Locks Operate... 6... eee eee eee 60 WIGS eased bas Go aes 6 Es Oe he OSs Ou ee aE 61