The boundary between Ford and Iroquois counties divides this agricultural landscape of East Central Illinois, where modern infrastructure overlays a long-established rural grid. The settlement of Onarga stands out as a primary hub, organized around streets like N Oak St and W Lincoln Ave, and anchored by the historic Onarga Cemetery. Further west, the smaller communities of Thawville and Ridgeville punctuate the vast farmland, connected by a network of county roads such as Co Rd 1200 N and Co Hwy 8. The natural drainage of the prairie is defined by the winding paths of Spring Creek and Prairie Creek, which cut through the township sections. For local historians and genealogists, the inclusion of remote burial sites like Lisk Cemetery and Thawville Cemetery provides essential markers for tracing family heritage within these township lines.
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This is the sole edition of this map. No revisions or reprints were ever made.
1939 · Cissna Park
USGS Topo · 1:62,500
1944 · Piper City
USGS Topo · 1:48,000
1944 · Gilman
USGS Topo · 1:62,500
1946 · Gilman
USGS Topo · 1:62,500
1947 · Piper City
USGS Topo · 1:62,500
1948 · Buckley
USGS Topo · 1:62,500
1949 · Cissna Park
USGS Topo · 1:62,500
1949 · Buckley
USGS Topo · 1:62,500
1953 · Danville
USGS Topo · 1:250,000
1955 · Danville
USGS Topo · 1:250,000