The Sangamon River carves a winding path through this central Illinois landscape, defining the topography north of Oakley and Chapin. In this transition zone between agricultural fields and the burgeoning northern reaches of Lake Decatur, the settlement pattern reflects a deeply rooted local history. The village of Argenta serves as a primary hub in the north, while smaller communities like Oreana and Newburg anchor the surrounding townships.
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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
1937 · Monticello
USGS Topo · 1:48,000
1943 · Monticello
USGS Topo · 1:62,500
1955 · Bement
USGS Topo · 1:62,500
1957 · Maroa
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1958 · Decatur
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000
1961 · Decatur
USGS Topo · 1:250,000