2020. 3. 26. · Generally speaking, a dry dock is a chamber separated from the adjacent port water by a gate. Its basic structure comprises the floor or plan of the dock, the side walls, the front wall and the gate that defines the dry dock.. Wreck Valley: A Record of Shipwrecks Off Long Island's South Shore. Lynbrook, NY: Aqua Explorers, 1986. - LI REF 974.721 R-LI-4 BER-1 Berg, Daniel. Wreck Valley II: A Record of Shipwrecks Off Long Island's South Shore and New Jersey. East Rockaway, NY: Aqua Explorers, 1990. - Non-Fiction 974.721 R-LI-4.