
The Lake Decatur Sangamon River and its tributary Long Creek define the geography of this central Illinois landscape at the close of the twentieth century. The map illustrates the suburban expansion and protected green spaces surrounding the southeast edge of the county seat, notably including Spitler Woods State Park and the Fort Daniel Conservation Area. Agriculture still dominates the rural stretches between established settlements like Mount Zion, Oakley, and Casner, where grain elevators and rail connections historically anchored the local economy.
30 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Decatur
USGS Topo · 1:62,500
1933 · Decatur
USGS Topo · 1:62,500
1935 · Sullivan
USGS Topo · 1:48,000
1940 · Sullivan
USGS Topo · 1:62,500
1949 · Dalton City
USGS Topo · 1:62,500
1955 · Bement
USGS Topo · 1:62,500
1958 · Decatur
USGS Topo · 1:250,000
1961 · Decatur
USGS Topo · 1:250,000
1967 · Long Creek
USGS Topo · 1:24,000
1967 · Argenta
USGS Topo · 1:24,000