Morrisburg Dive Sites
Great Lakes St. Lawrence Seaway System	Alpena County Public Libary Maritime Collection
Boat Nerd	Know Your Ships
Wikipedia	Marine Museum of the Great Lakes at Kingston
Lost Villages Historical Society (and Museum)	Maritime History of the Great Lakes
Ghost Town Pix Lost Villages	The Great Lakes Historical Society
CBC - 1959: The St. Lawrence Seaway is completed	Toronto Marine Historical Society