Spring Knob (historical)
Summit in Martin County, Kentucky · on the USGS Thomas quadrangle
37.69510, -82.52626
Maps that show Spring Knob (historical)
Get them in the map app
Thomas, KY
Detailed map of terrain, trails and roads
USGS topo, 2022

Harold, KY
Old map for history, not navigation
USGS historical 15-minute topo (1916)

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-26 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-09 (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).