Big Sioux River USGS Sioux City South Quad, IA,SD,NE, Topographic Map

Big Sioux River is a Stream in the state of (county of Union), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.49083 and W -96.44642. Big Sioux River is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Sioux City South quad. The nearest major town is Sioux City, IA.