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No Title Page 1 GREAT LAKES BASIN MAP
GREAT LAKESST LAWRENCE SEAWAY PROFILE
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4igh activities additional aids to navigation alternative areas B-2 Nont benefits Canadian Clair River connecting channels construction costs course of action Demonstration Program Detroit River developed dredging Eame as NN economic Eee Index environmental impacts evaluation extend the navigation extended navigation season facilities feet ferry four Great Lakes graywater harbor entrance high water mark ice booms ice conditions ice control structures ice jams ice retardation ice-cover icebreaking Icebreaking Tug implementation increased Index of Nootnotes Island Joint Board Lake Erie Lake Huron Lake Michigan Lake Ontario Lakes-St Lawrence River Lawrence Seaway System located lock Marys River miles monitoring navigation channel navigation season extension Neebish Island NN 9 NN NN Nlan ordinary high water Phase Port potential problems proposed protection recommended plan ships shore erosion shoreline studies transportation U.S. Coast Guard upper four upstream vessel movement vessel traffic Welland Canal windrows winds winter months