Irish Lake Dam USGS Colchester Quad, Illinois, Topographic Map

Irish Lake Dam is a Dam in the state of Illinois (county of McDonough), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.45671 and W -90.81847. Irish Lake Dam is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Colchester quad. The nearest major town is Tennessee, IL.