Rio and North Henderson anchor this agricultural region of Mercer and Knox Counties, where the landscape is defined by the branching tributaries of Henderson Creek. The village of Rio is situated at the intersection of S Main St and E Center Ave, while North Henderson sits to the west along the railroad corridor. The map reveals a dense network of country burial grounds, including the Rio Baptist Cem, Mount Vernon Cem, and Deatherage Cem, which serve as vital markers for local genealogical research. Small, localized settlements like Shanghai City and Soperville persist amidst the section lines, connected by routes such as Knox Highway 34. The terrain is drained by several named waterways, most notably N Henderson Cr, Middle Henderson Cr, and Pennington Cr, which carve subtle valleys through the prairie fields. The Ernest E Orwig Airport provides a localized landmark for aviation history in this rural corridor.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Monmouth
USGS Topo · 1:62,500
1923 · Monmouth
USGS Topo · 1:62,500
1923 · Alexis
USGS Topo · 1:62,500
1925 · Alexis
USGS Topo · 1:62,500
1925 · Galesburg
USGS Topo · 1:62,500
1927 · Galesburg
USGS Topo · 1:62,500
1947 · Woodhull
USGS Topo · 1:62,500
1953 · Woodhull
USGS Topo · 1:24,000
1953 · Viola
USGS Topo · 1:24,000
1953 · New Windsor
USGS Topo · 1:24,000