Lake Michigan
Lake Huron
Lake Erie
Lake Ontario
Lake Superior
Ohio River
Mississippi River
Atlantic Ocean
Pacific Ocean
Hudson River
Rio Grande
Columbia River
Arkansas River
Missouri River
Wabash River
James River
St. Lawrence River
Potomac River
Cape Cod
Rocky Mountains
Piedmont
Appalachian Mtns.
Great Salt Lake
Cascade Mountain
Massachusetts Bay
Great Plains
Sierra Nevada Mountains
Chesapeake Bay
Gulf of Mexico
Cumberland Gap
Great Smoky Mtns.
