Observatory Hill
Summit in Licking County, Ohio · on the USGS Thornville quadrangle
39.93628, -82.47584
Maps that show Observatory Hill
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Thornville, OH
Detailed map of terrain, trails and roads
USGS topo, 2023
Thornville, OH
Old map for history, not navigation
USGS historical 15-minute topo (1909)
Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps · National Underground Railroad Network to Freedom Program
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-29 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).