Headquarters Lake Dam USGS Percy Quad, Illinois, Topographic Map
Headquarters Lake Dam is a Dam in the state of Illinois (county of Perry), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 38.00338 and W -89.51676. Headquarters Lake Dam is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Percy quad. The nearest major town is Willisville, IL.








