7.50—Chesapeake Bay and tributaries.
A line drawn from Cape Charles Light to latitude 36°56.8′ N. longitude 75°55.1′ W. (North Chesapeake Entrance Lighted Gong Buoy “NCD”); thence to latitude 36°54.8′ N. longitude 75°55.6′ W. (Chesapeake Bay Entrance Lighted Bell Buoy “CBC”); thence to latitude 36°55.0′ N. longitude 75°58.0′ W. (Cape Henry Buoy “1”); thence to Cape Henry Light.