USGS Grand Detour Quad, Illinois, Topographic Map

Grand Detour quad is a topographic map (topo) in the state of Illinois (IL), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 41.93753 and W -89.43761. Grand Detour is sourced from the USGS (United States Geographical Survey). The nearest major town is Woosung, IL.