The Shinnecock Canal and Dismal Swamp Canal are both near which ocean?
Dismal Swamp Canal: The Dismal Swamp Canal is located along the eastern edge of the Great Dismal Swamp in Virginia and North Carolina in the United States. Dismal Swamp Canal:  It is part of the Intracoastal Waterway, an inland route, which parallels the east coast and offers boaters shelter from the Atlantic Ocean from Manasquan Inlet, New Jersey, to Brownsville, Texas.
i don't know