The agricultural grid of the Illinois prairie defines this landscape on the border of LaSalle and Livingston counties. The small settlement of Blackstone serves as a central point, situated near its namesake Blackstone Cem. To the northwest, the community of Missal anchors another corner of this fertile farming region. The terrain is relatively uniform, though the courses of Otter Cr and Mud Cr provide natural drainage patterns that deviate from the strict township and range lines.
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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