Earlville serves as the central hub of this LaSalle County landscape, where the local street grid converges near Railroad St. The surrounding terrain is defined by a dense network of rural roads, including N 4450th Rd and Co Hwy 12, which partition the agricultural landscape. Waterways like Indian Creek, Sutphens Run, and Crookedleg Cr wind through the township, providing natural drainage for the fertile plains. Several small airfields, such as the B & C Airport and Younglove/Otterbach Airport, suggest a localized aviation history unique to this region of Illinois. Genealogists will find significant value in the distribution of several rural burial grounds, including Saint Theresa Cem and the Precinct Cem, which are tucked away at various intersections outside the main town center.
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1892 · Ottawa
USGS Topo · 1:62,500
1893 · Lasalle
USGS Topo · 1:62,500
1911 · La Salle
USGS Topo · 1:62,500
1913 · La Salle
USGS Topo · 1:62,500
1915 · Ottawa
USGS Topo · 1:62,500
1946 · Ottawa
USGS Topo · 1:62,500
1947 · La Salle
USGS Topo · 1:62,500
1951 · Earlville
USGS Topo · 1:62,500
1952 · Mendota
USGS Topo · 1:62,500
1958 · Aurora
USGS Topo · 1:250,000