Lehnherr N and S America PhysOnline version GULF OF MEXICO CARIBBEAN SEA BERING SEA LABRADOR SEA HUDSON BAY LAKE MICHIGAN LAKE SUPERIOR APPALACHIAN MOUNTAINS ROCKY MOUNTAINS SIERRA NEVADA SIERRA MADRE ORIENTAL & OCCIDENTAL MISSISSIPPI RIVER MISSOURI RIVER OHIO RIVER RIO GRANDE ST. LAWRENCE RIVER AMAZON RIVER BASIN ANDES MOUNTAINS STRAITS OF MAGELLAN by Noah Okas 1 Gulf of Mexico 2 Caribbean Sea 3 Bering Sea 4 Labrador Sea 5 Hudson Bay 6 Lake Michigan 7 Lake Superior 8 Appalachian Mountains 9 Rocky Mountains 10 Sierra Nevada 11 Sierra Madre Occidental 12 Sierra Madre Oriental 13 Missississippi River 14 Missouri River 15 Ohio River 16 Rio Grande 17 St. Lawrence River 18 Amazon River Basin 19 Andes Mountains 20 Straits of Magellan