
Alto Pass and Cobden anchor this 1947 survey of Southern Illinois, an area characterized by the transition from steep orchard hills to the structured borders of the Shawnee National Forest. The landscape is marked by the high elevations of Bald Knob Lookout Tower and the Trail of Tears State Forest, illustrating the region's complex topography.
28 named features on this map. Tap any name to fly to it.
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3 editions found
1920 · Jonesboro
USGS Topo · 1:62,500
1920 · Dongola
USGS Topo · 1:62,500
1922 · Carbondale
USGS Topo · 1:62,500
1923 · Dongola
USGS Topo · 1:62,500
1923 · Jonesboro
USGS Topo · 1:62,500
1924 · Alto Pass
USGS Topo · 1:62,500
1941 · Carbondale
USGS Topo · 1:62,500
1947 · Jonesboro
USGS Topo · 1:62,500
1947 · Alto Pass
USGS Topo · 1:62,500
1947 · Gorham
USGS Topo · 1:24,000