The village of Donovan anchor the southwestern corner of this Iroquois County landscape, where the flat agricultural plains of eastern Illinois meet the Indiana state line. This drainage-dependent terrain is defined by a network of engineered waterways and natural streams, including the meandering Beaver Creek and the long, straight channels of Beaver Ditch Number 1 and Beaver Ditch Number 2. These systems were essential for converting the prairie wetlands into the productive farmland seen today.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · Momence
USGS Topo · 1:62,500
1924 · Momence
USGS Topo · 1:62,500
1935 · Watseka
USGS Topo · 1:48,000
1939 · Watseka
USGS Topo · 1:62,500
1953 · Chicago
USGS Topo · 1:250,000
1953 · Danville
USGS Topo · 1:250,000
1955 · Danville
USGS Topo · 1:250,000
1956 · Danville
USGS Topo · 1:250,000
1957 · Chicago
USGS Topo · 1:250,000
1961 · Kentland
USGS Topo · 1:24,000