33 CFR § 80.130 - Boston Harbor entrance.

A line drawn from the easternmost tower at Nahant, charted in approximate position latitude 42°25.4′ N., longitude 70°54.6′ W., to Boston Lighted Horn Buoy “B”; thence to the esternmost radio tower at Hull, charted in approximate position latitude 42°16.7′ N., longitude 70°52.6′ W.

[CGD 79–066, 45 FR 15176, Mar. 10, 1980. Redesignated by CGD 81–017, 46 FR 28154, May 26, 1981]