Thorny Hill Lake
Reservoir in Montgomery County, Missouri · on the USGS Pinnacle Lake quadrangle
38.76360, -91.49771
Maps that show Thorny Hill Lake
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Pinnacle Lake, MO
Detailed map of terrain, trails and roads
USGS topo, 2021

New Florence, MO
Old map for history, not navigation
USGS historical 15-minute topo (1942)

New Florence, MO
Old map for history, not navigation
USGS historical 15-minute topo (1946)

National Heritage Areas - NPS-wide
National Park Service Maps · NPS-wide

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-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).