Fort Gratiot Lake Huron Approach Channel ST. MARYS RIVER / /
NaturalFeature
MARYS RIVER / CLAIR RIVER / Lawrence River / Cape Vincent DETROIT RIVER / Lake Erie / GREAT LAKES / Lake Michigan / /
Organization
National Oceanic and Atmospheric Administration / /
Position
Fort Wayne Head / Above Long Sault Dam Above Iroquois Dam Ogdensburg Alexandria Bay Head / Middle Neebish Head / Slip Above Locks Head / representative / Head of river / St. Clair Flats Algonac St. Clair Blue Water Bridge Head / /