A single tax lot, owned by the Woodland Club, its successors or assigns, on which shall be located no more than 16 single-family detached dwellings used as residences for not more than one family each, and with not more than one house per lot, as each lot, hereafter called "house lot," is shown on the map entitled "Official Map of the Woodland Club, Ironia, New Jersey, November 1, 1965, revised November 1, 1967." The map is attached hereto as Schedule A and is specifically made a part hereof.