Montauk Beach Development Corporation, Montauk, L.I., N.Y. plan of Montauk Yacht Harbor, June 7, 1929, revised June 7, 1930. Plan delineates future channel, commercial basin, boat houses and polo fields; soundings refer to depths below mean low water; Montauk Island Club, with numerous outbuildings, delineated on Star Island. Plan no. CD 25; submitted by G.W. Harvey, Assistant Engineer, approved by T.E. Ringwood, Chief Engineer; tracing no. 378. Map oriented to the east.