
The Illinois River dominates this nineteenth-century survey, creating a complex network of backwater lakes and marshes that defined the local economy and transport before modern dredging. Extensive wetlands including Senachwine Lake, Goose Lake, and Saw Mill Lake flank the main channel, illustrating the seasonal floodplains of the era. The settlement of Lacon serves as a primary hub, while Henry is shown with its grid and a prominent Lock on the river. The landscape is also shaped by competing transit systems, with the Chicago Rock Island and Pacific Railway running north-south through Putnam and Sparland, while the Chicago and Alton Railroad cuts east-west across the southern prairie. Small rural localities like Cottage Hill and Whitefield anchor the surrounding townships, providing key points of interest for genealogists tracing family roots in Marshall and Putnam counties.
33 named features on this map. Tap any name to fly to it.
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4 editions found
1893 · Lacon
USGS Topo · 1:62,500
1893 · Hennepin
USGS Topo · 1:62,500
1893 · Metamora
USGS Topo · 1:62,500
1893 · Dunlap
USGS Topo · 1:62,500
1893 · Lasalle
USGS Topo · 1:62,500
1898 · Dunlap
USGS Topo · 1:62,500
1909 · Hennepin
USGS Topo · 1:62,500
1911 · La Salle
USGS Topo · 1:62,500
1911 · Hennepin
USGS Topo · 1:62,500
1913 · La Salle
USGS Topo · 1:62,500