Big Slough USGS Dallas City Quad, IA,IL, Topographic Map

Big Slough is a Stream in the state of (county of Lee), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.64337 and W -91.19681. Big Slough is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Dallas City quad. The nearest major town is Dallas City, IL.