Johnson Slough USGS Chandlerville Quad, Illinois, Topographic Map

Johnson Slough is a Gut in the state of Illinois (county of Mason), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.07144 and W -90.1929. Johnson Slough is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Chandlerville quad. The nearest major town is Chandlerville, IL.