Lake of the Hills
Reservoir in Henry County, Illinois · on the USGS Orion quadrangle
41.31593, -90.43261
Maps that show Lake of the Hills
Get them in the map app
Orion, IL
Detailed map of terrain, trails and roads
USGS topo, 2024
Orion, IL
Old map for history, not navigation
USGS historical 15-minute topo (1937)
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-28 (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).