THE GREAT LAKES LAURENTIAN GREAT LAKES NORTH INTERCONNECTED FRESHWATER LAKE UPPER MIDWEST REGION NORTH AMERICA BORDER CONNECT THE ATLANTIC OCEAN THE SAINT LAWRENCE RIVER CONSISTING OF LAKES SUPERIOR MICHIGAN HURON ERIE ONTARIO LARGEST GROUP FRESHWATER WORLDS SURFACE FRESH WATER TOTAL VOLUME WATER SUSTAINED STRONG DISTANT HORIZONS THE FIVE GREAT LAKES INLAND SEAS LAKE IN THE WORLD LAKE MICHIGAN SOUTHERN HALF BORDERED MEGALOPOLIS AT THE END THE LAST GLACIAL PERIOD YEARS AGO ICE SHEETS THE LAND THE LAKES MAJOR HIGHWAY MIGRATION LARGE NUMBER INVASIVE SPECIES REGIONS BIODIVERSITY NATURALLY BODY FRESH BASIN CHAIN INTERIOR THE INTERIOR OUTLET FLOWS SOUTHWARD FINALLY NORTHWARD DRAIN WATERSHED MANY RIVERS THOUSAND SMALLER INLAND THE SURFACE AREA PRIMARY EQUAL TO SIZE THE UNITED KINGDOM ENTIRE THE UK FRANCE THE ONLY ONE THE UNITED STATES WATER BOUNDARY DIVIDED THE CANADIAN PROVINCE OF ONTARIO MINNESOTA WISCONSIN ILLINOIS INDIANA OHIO PENNSYLVANIA NEW YORK BOUNDARIES ELEVATION ABOVE SEA LEVEL LAKE ONTARIO THE NIAGARA ESCARPMENT ALL NATURAL LIVING ON THE SHORE REFER TO THE OTHER LOWER LAKES SAILORS BULK FREIGHTERS CARGOES NORTHERN LAKE HURON PORTS LAKE ERIE THINKING DOWN SOUTH UP NORTH SAILING UPBOUND EVEN THOUGH TOWARD CHICAGO RIVER CALUMET RIVER SYSTEMS THE MISSISSIPPI RIVER SYSTEM ALTERATIONS MARYS RIVER SOO LOCKS STRAITS OF MACKINAC CLAIR DETROIT RIVER NIAGARA RIVER NIAGARA FALLS WELLAND CANAL SAINT LAWRENCE RIVER THE GULF SOMETIMES HYDROLOGICAL BODY OF WATER CONNECTED THE STRAITS WIDE DEEP RISE AND FALL THE FLOW LAKE NIPIGON NIPIGON RIVER MAFIC ULTRAMAFIC IGNEOUS ROCK HUNDREDS METERS THE LAKE LIES NIPIGON EMBAYMENT FAILED ARM TRIPLE JUNCTION BENEATH MIDCONTINENT RIFT SYSTEM MILLION YEARS AGO GREEN BAY THE SOUTH COAST UPPER PENINSULA OF MICHIGAN THE EAST THE REST THE DOOR PENINSULA THE GARDEN THE CHAIN ISLANDS LAKE WINNEBAGO THE FOX WATERWAY GRAND TRAVERSE BAY WEST NATURAL HARBOURS THE GREAT THE BAY ISLAND POWER NAMESAKE DERIVED JACQUES MARQUETTE CROSSED NORWOOD NORTHPORT CALLING LA GRANDE WINNEBAGO POOL GEORGIAN BAY NORTHEAST WESTERLY THE NORTH CHANNEL MISSISSAGI STRAIT THE BRUCE MANITOULIN ISLAND COCKBURN ISLAND LAKE NIPISSING FRENCH RIVER VOLCANIC PIPE THE MANITOU CALLANDER BAY PIPES SUPERSONIC ERUPTION GRABEN MESOZOIC RIFT VALLEY LAKE SIMCOE THE SEVERN RIVER CANAL ROUTE SOUTHERN ONTARIO THE DETROIT RIVER FACT CANADIAN TERRITORY SHORE CITY OF WINDSOR ESSEX COUNTY SOUTH ADJACENT UNITED STATES TERRITORY CITY OF DETROIT TIMES PROPOSALS GREAT LAKE AFFECT INCLUSION SCIENTIFIC RESEARCH DESIGNATED RELATED DISPERSED ISLE ROYALE THESE ISLANDS LARGE ENOUGH MULTIPLE THEMSELVES MANITOULIN ISLANDS LAKE MANITOU GREAT LAKES WATERWAY ACCESSIBLE SHIPPING WIDER CONTAINER SHIPS DO NOT THE LOCK ROUTES LIMITED CONTAINER SHIPPING TRADE BULK MATERIAL SEAWAYMAX LESS MOVE SHIPS BARGES ACCESS ILLINOIS WATERWAY THE GULF OF MEXICO VAST FREEZE IN WINTER INTERRUPTING ICEBREAKER SHIPPING LANES OPEN PERIODS ICE THE ILLINOIS RIVER ALTERNATE TRACK RIVERS MOBILE BAY COMMERCIAL TRAFFIC WATERWAYS PLEASURE BOATS ENTER EXIT ERIE CANAL HUDSON RIVER THE EAST END CONTINENTS REACH DEPTH THE SOURCE TIED WHAT WAS LEFT MELTING GLACIERS PRESENT GROUNDWATER SPRINGS EVAPORATION BALANCED LEVEL INTENSIVE HUMAN POPULATION GROWTH THE REGION THE CENTURY HUMAN WATER USE IDENTIFIED THE POTENTIAL TRANSFER DONE TODAY COOL ELECTRIC GENERATION WATER LEVEL CONSTANT FEET THE RECORD HIGH NEWSPAPER REPORTED AVERAGE HAS GONE DOWN INCHES DREDGING RECORD THE US ARMY CORPS OF ENGINEERS PREVIOUS LONG TERM MONTHLY ERIE TRIBE IROQUOIAN WORD ERIELHONAN FRENCH EXPLORERS INHABITANTS HURONS OJIBWA SHINING ENGLISH TRANSLATION TERM REFERRING POSITION INDIGENOUS OJIBWE CALL POPULARIZED TRANSLITERATION GORDON LIGHTFOOT STORY THE WRECK OF THE EDMUND FITZGERALD GITCHEE GUMEE HENRY WADSWORTH LONGFELLOW EPIC THE SONG OF HIAWATHA THE YEAR ENOUGH COVER CONTIGUOUS UNIFORM PERCENTAGE SUPPLY DRINKING WATER NATIONAL TOTAL SURFACE AREA NEW JERSEY CONNECTICUT RHODE ISLAND MASSACHUSETTS VERMONT NEW HAMPSHIRE LENGTH COASTLINE IMPOSSIBLE MEASURE COASTLINE PARADOX CANADA BORDERS THE UNITED SHORELINE BORDERING DISTANCE EQUIVALENT TRAVELLING AROUND THE WORLD THE EQUATOR FOUNDATIONAL GEOLOGY CONDITIONS SHAPING THE PRESENT LAID BILLION YEARS PREVIOUSLY TECTONIC PLATES SPLIT APART MIDCONTINENT RIFT TECTONIC ZONE VALLEY EVENTUALLY MODERN FAULT LINE RIFT BASIS WISCONSIN GLACIATION LAURENTIDE ICE SHEET RETREAT ICE SHEET LEFT BEHIND AMOUNT MELTWATER LAKE ALGONQUIN LAKE CHICAGO GLACIERS THUS UNEVEN NATURE GLACIER HIGHER HILLS CONTOUR BELOW AS IT AREAS LONGER GLACIAL REBOUND HUMID CONTINENTAL CLIMATE CLIMATE CLASSIFICATION AIR MASSES COLD ARCTIC MILD PACIFIC AIR MASSES TROPICAL SYSTEMS CLIMATE INCREASE PRECIPITATION PRODUCE LAKE EFFECT SNOW WINTER REGIONAL WEATHER ICEPACK PREVAILING WINDS THE WEST PICK UP MOISTURE RELATION THE COLD WINDS COLDER LAND SURFACE HEAVY SNOWFALL BANDS STREAMERS SIMILAR THE EFFECT DROPPING SNOW MOUNTAIN FREEZING HIGH WINDS THE SNOW REGULAR FALL WEATHER PATTERN EASTERN SHORES SNOW BELT UNITE