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Interchange 21, Iowa Interchange 21 is a crossing located in Pottawattamie County, IA at N41.49888° W95.74612° (NAD83) and at an elevation of 1167 ft MSL. It can be seen on the USGS 1:24K topographic map Underwood, IA.
You can view this location or feature in our Topographic Map Viewer now. Click a map above to begin viewing in our Map Viewer. Here are some other places near Interchange 21 that may be of interest:
Note: Coordinates in the location and feature list above are referenced to NAD83 datum. |