This picture graphic is representative of coverage areas, boundaries should not to be considered precise.

US NE & CANYONS: MAINE, MASSACHUSETTS, NEW YORK, HUDSON RIVER, NORTH ATLANTIC CANYONS From Passamaquoddy Bay and Grand Manan Island to Shark River Inlet, including Hudson River to New York State Barge Canal to Lake Ontario, Oneida Lake, The Finger Lakes, Lake Champlain and bathymetric details of all North Atlantic Canyons from Delaware Bay offshore to Georges Bank and East to 64° West.

US MID ATLAN & CYNS: NEW JERSEY, DELAWARE BAY, CHESAPEAKE BAY, NORTH CAROLINA, BERMUDA From New York Harbor to Cape Romain, including Philadelphia, Norfolk and bathymetric details of all Mid-Atlantic Canyons.