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Interchange 9, Illinois Interchange 9 is a crossing located in St. Clair County, IL at N38.50672° W90.20595° (NAD83) and at an elevation of 406 ft MSL. It can be seen on the USGS 1:24K topographic map Cahokia, IL.
You can view this location or feature in our Topographic Map Viewer now. Note: This 1:24K topographic map could not be automatically processed for inclusion in the TopoQuest Map Viewer because the original DRG file containing the map is in a different map projection or datum than most USGS topographic map files (NAD27, UTM projection). We will need to process it manually... Here are some other places near Interchange 9 that may be of interest:
Note: Coordinates in the location and feature list above are referenced to NAD83 datum. |