Westchester County, NY maps Somers, NYF.W. Beers 1869 Westchester County $90 Antique Map Mamaroneck, Scarsdale, White Plains, Harrison, Rye NY FW Beers 1867 $100 Antique Map Yonkers, New York – FW Beers Atlas of NY and Vicinity 1867 $75 Antique Map Yorktown, New York – FW Beers Atlas of NY and Vicinity 1867 $95 Antique Map North Salem, New York – FW Beers Atlas of NY and Vicinity 1867 $100 Antique Map Somers, New York – FW Beers Atlas of NY and Vicinity 1867 $90 North Castle, NY $125 Sing Sing, NY $175 Poundridge, NY $50