Nome: Mapa topográfico Chicago, North Shore & Milwaukee, altitude, relevo.
Local: Chicago, North Shore & Milwaukee, Edens Spur, Williamsburg Square, Northbrook, Northfield Township, Cook County, Illinois, 60015-1331, United States (42.14592 -87.80061 42.14759 -87.79952)
Altitude média: 198 m
Altitude mínima: 184 m
Altitude máxima: 211 m