A line drawn from latitude 42°37.9' N. longitude 70°31.2' W. (Cape Ann Lighted Whistle Buoy "2") to latitude 42°22.7' N. longitude 70°47.0' W. (Boston Lighted Horn Buoy "B"); thence to Race Point Light.
46 C.F.R. § 7.15
A line drawn from latitude 42°37.9' N. longitude 70°31.2' W. (Cape Ann Lighted Whistle Buoy "2") to latitude 42°22.7' N. longitude 70°47.0' W. (Boston Lighted Horn Buoy "B"); thence to Race Point Light.
46 C.F.R. § 7.15