Backbone Ridge
Ridge in Jackson County, Illinois · on the USGS Altenburg quadrangle
37.63412, -89.50763
Maps that show Backbone Ridge
Get them in the map app
Altenburg, MO-IL
Detailed map of terrain, trails and roads
USGS topo, 2021
Altenburg, IL
Old map for history, not navigation
USGS historical 15-minute topo (1918)
Altenburg, MO
Old map for history, not navigation
USGS historical 15-minute topo (1925)
Altenburg, MO
Old map for history, not navigation
USGS historical 15-minute topo (1947)
Altenburg, MO
Old map for history, not navigation
USGS historical 15-minute topo (1949)
Mississippi Bluffs District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Shawnee National Forest
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
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).