John Dunham Spring USGS Boyer Creek Quad, Illinois, Topographic Map

John Dunham Spring is a Spring in the state of Illinois (county of Jersey), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 39.16533 and W -90.45984. John Dunham Spring is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Boyer Creek quad. The nearest major town is Old Kane, IL.