110.10—Portsmouth Harbor, New Hampshire, north of Newcastle Island.
From the northern most point of Goat Island to latitude 43°04′25″ N, longitude 070°43′37″ W; thence 089°30′ for 1025 yards; thence 120° for 285 yards, thence 213° to the shoreline of Newcastle Island, thence along the shoreline of Newcastle Island and across the breakwater to Goat Island and to the point of beginning.