Horseshoe Lake
Lake in Alexander County, Illinois · on the USGS Tamms quadrangle
37.13825, -89.34131
Maps that show Horseshoe Lake
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Tamms, IL
Detailed map of terrain, trails and roads
USGS topo, 2024

Thebes, IL
Old map for history, not navigation
USGS historical 15-minute topo (1934)

Thebes, IL
Old map for history, not navigation
USGS historical 15-minute topo (1939)

Thebes, IL
Old map for history, not navigation
USGS historical 15-minute topo (1955)

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 High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).