Big Lake
Lake in Schuyler County, Illinois · on the USGS Beardstown quadrangle
40.07505, -90.41012
Maps that show Big Lake
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Beardstown, IL
USGS topo, 2024

Beardstown, IL
USGS historical 15-minute topo (1926)

Beardstown, IL
USGS historical 15-minute topo (1944)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).