CONTENTS History of Great Lakes The St. Lawrence Seaway. The St. Mary’s Falls Canal. The Sault Ste. Marie Nautical Terms.. American and Canadian Foreign Stack Markings. . 5253, 54; a Talking Lights. Meaning of Boat istle: Back inside Cover Ontario Ship Canal............. a The Welland Canal 11 Index to Lake Fleet... 12 Owners and Managers of bake: Wessels) .u::.:sc00s:secscucees 30 U.S.S. Arthur M. Anderson down bound Detroit River. Photo by Thomas Manse Nautical Measurements .-Back Inside Cover