
Blackstone and Missal anchor this portion of the Illinois prairie, situated along the border of LaSalle and Livingston counties. The landscape is defined by its agricultural grid, intersected by the winding paths of Otter Creek and Mud Creek. A notable topographical variation appears at Smiths Mound, providing a rare break in the local elevation.
29 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1925 · Streator
USGS Topo · 1:62,500
1927 · Streator
USGS Topo · 1:62,500
1935 · Pontiac
USGS Topo · 1:62,500
1939 · Pontiac
USGS Topo · 1:62,500
1958 · Flanagan
USGS Topo · 1:62,500
1958 · Odell
USGS Topo · 1:62,500
1958 · Aurora
USGS Topo · 1:250,000
1958 · Peoria
USGS Topo · 1:250,000
1961 · Aurora
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000