The settlement of Hooppole anchors this 2021 survey, situated along the county line where Whiteside Co meets Henry Co in northwestern Illinois. The landscape is defined by an extensive network of drainage infrastructure, including the Main Union Special Ditch, Central Special Ditch, and Wildcat Ditch, which underscore the region's agricultural engineering. These watercourses redirect flow across a grid of rural roads such as Bishop Rd and N 3000th Ave.
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This is the sole edition of this map. No revisions or reprints were ever made.
1899 · Clinton
USGS Topo · 1:125,000
1929 · Annawan
USGS Topo · 1:62,500
1932 · Prophetstown
USGS Topo · 1:48,000
1932 · Annawan
USGS Topo · 1:62,500
1934 · Geneseo
USGS Topo · 1:62,500
1936 · Prophetstown
USGS Topo · 1:62,500
1952 · Erie
USGS Topo · 1:62,500
1953 · Atkinson
USGS Topo · 1:24,000
1958 · Davenport
USGS Topo · 1:250,000
1958 · Aurora
USGS Topo · 1:250,000