Lake Champlain
Lake superior
Lake Michigan
Lake Huron
Lake Ontario
Ohio River (trash)
Lake Erie
Gulf of Mexico
Pacific Ocean
Atlantic Ocean
Great Salt Lake
Lake Okeechobee
lake St.Clair
Mississippi River
Rocky Mountains
Cape Cod
Trash
Piedmont
Arkansas River
James River
Hudson River
Missouri River
Potomac River
Wabash River
Rio Grande
Columbia River
Great Smoky Mtns.
Cumberland Gap
Chesapeake Bay
Sierra Nevada Mtns.
Great Plains
Massachusetts Bay
Cascade Mtns
Appalachian Mtns.
