
Starved Rock and Buffalo Rock dominate the landscape of the Illinois River valley on this contemporary survey. The terrain is defined by a dense series of sandstone bluffs and tributary ravines, including French Canyon, Wildcat Canyon, and Kaskaskia Canyon. These geological features overlook Parkmans Plain and the Illinois River, which is dotted with several significant islands such as Plum Island and Leopold Island.
46 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.
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
1925 · Streator
USGS Topo · 1:62,500
1927 · Streator
USGS Topo · 1:62,500
1934 · Wenona
USGS Topo · 1:48,000
1939 · Wenona
USGS Topo · 1:62,500
1946 · Ottawa
USGS Topo · 1:62,500