Lake Helen Dam USGS Walpole Quad, Illinois, Topographic Map

Lake Helen Dam is a Dam in the state of Illinois (county of Hamilton), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 37.99838 and W -88.61506. Lake Helen Dam is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Walpole quad. The nearest major town is Macedonia, IL.