US Physical Features StudyVersion en ligne Study for the test par Ryan Noland 1 Lake Michigan 2 Lake Superior 3 Lake Huron 4 Lake Erie 5 Lake Ontario 6 Mississippi River 7 Rocky Mountains 8 Piedmont 9 Pacific Ocean 10 Atlantic Ocean 11 Appalachian Mountains 12 Cape Cod 13 Lake Champlain 14 St Lawrence River 15 Columbia River 16 Rio Grande 17 Wabash River 18 Ohio RIver 19 Arkansas River 20 James River 21 Hudson River 22 Missouri River 23 Potomac River 24 Great Salt Lake 25 Cascade Mountains 26 Massachusetts Bay 27 Great Plains 28 Sierra Nevada Mountains 29 Chesapeake Bay 30 Gulf of Mexico 31 Cumberland Gap 32 Great Smoky Mountains