Lost Prairie
Flat in Perry County, Illinois · on the USGS Percy quadrangle
38.09922, -89.54037
Maps that show Lost Prairie
Get them in the map app
Percy, IL
Detailed map of terrain, trails and roads
USGS topo, 2024
Coulterville, IL
Old map for history, not navigation
USGS historical 15-minute topo (1914)
Coulterville, IL
Old map for history, not navigation
USGS historical 15-minute topo (1917)
Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps · National Underground Railroad Network to Freedom Program
U.S. Fish and Wildlife Service Alligator Snapping Turtle Range (2024)
Fish & Wildlife Service Refuge Maps
Continental Glaciation Map - Tule Springs Fossil Beds National Monument
National Park Service Maps · Tule Springs Fossil Beds National Monument
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-16 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-27 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).