Boss Island USGS Karnak Quad, Illinois, Topographic Map

Boss Island is an Island in the state of Illinois (county of Johnson), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 37.36172 and W -88.95673. Boss Island is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Karnak quad. The nearest major town is Belknap, IL.