Ambia serves as the primary hub on this Indiana-Illinois borderland survey, situated just north of the Middle Br N Fork Vermilion River. The landscape is defined by a dense grid of rural routes and small settlements that speak to the agricultural heritage of the region. Scattered throughout the quadrangle are localized points such as Powley Corners, Coalton, Heaton, and College Corners, which likely served as neighborhood anchors for farming families. The natural drainage of the N Fork Vermilion River and the engineered Prudential Ditch illustrate the ongoing management of this prairie terrain. West of the state line, the community of Cheneyville marks a transition into the Illinois side of the boundary, linked to its neighbors by a network including Cheneyville Rd and numerous numbered county roads.
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This is the sole edition of this map. No revisions or reprints were ever made.
1933 · Hoopeston
USGS Topo · 1:48,000
1938 · Milford
USGS Topo · 1:48,000
1938 · Hoopeston
USGS Topo · 1:62,500
1944 · Milford
USGS Topo · 1:62,500
1953 · Danville
USGS Topo · 1:250,000
1955 · Danville
USGS Topo · 1:250,000
1956 · Danville
USGS Topo · 1:250,000
1961 · Tab
USGS Topo · 1:24,000
1961 · West Lebanon
USGS Topo · 1:24,000
1962 · Boswell
USGS Topo · 1:24,000