Plummer Hill
Summit in Calhoun County, Illinois · on the USGS Hamburg quadrangle
39.13921, -90.65706
Maps that show Plummer Hill
Get them in the map app
Hamburg, IL-MO
USGS topo, 2024
Hardin, IL
USGS historical 15-minute topo (1930)
Hardin, IL
USGS historical 15-minute topo (1934)
Hardin, IL
USGS historical 15-minute topo (1938)
Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps (public domain) · National Underground Railroad Network to Freedom Program
U.S. Fish and Wildlife Service Alligator Snapping Turtle Range (2024)
Fish & Wildlife Service Refuge Maps (public domain)
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).