Topographic Map Flat Features in Washington County, Illinois

Browse by County - Washington, Feature Type - Flat

Feature	Type	County	USGS Topo Map	Elevation	Lat	Long
North Prairie	Flat	Washington	Hoyleton	476 feet	38.426ºN	89.355ºW
Threemile Prairie	Flat	Washington	Winkle	518 feet	38.226ºN	89.402ºW