Minnehaha FallsNear Fort Snelling, 10,000 years ago, melt water from the Wisconsin glacier was discharged through the Mississippi River and plunged over a ledge of Platteville limestone into a gorge cut chiefly in the white St. Peter sandstone. The undercutting action in the soft sandstone caused the limestone ledge to break off with a vertical face, thus maintaining the falls, while causing them to retreat upstream. When the falls in the main channel passed the upper end of the island-where the Soldiers Home now stands-the entire flow in the river was diverted to the main gorge and the falls in the west channel were abandoned. This unique and unusual geologic feature, an abandoned waterfall, is located at the north end of the former west channel which lies 200 feet east of this tablet.
|Placed By||The City of Minneapolis|
|Marker Condition||No reports yet|
|Date Added||Wednesday, September 24th, 2014 at 9:43am PDT -07:00|
|UTM (WGS84 Datum)||15T E 483457 N 4973566|
|Decimal Degrees||44.91533333, -93.20958333|
|Degrees and Decimal Minutes||N 44° 54.92', W 93° 12.575'|
|Degrees, Minutes and Seconds||44° 54' 55.20" N, 93° 12' 34.50" W|
|Driving Directions||Google Maps|
|Area Code(s)||651, 612|
|Closest Postal Address||At or near 5001 Minnehaha Ave, Minneapolis MN 55417, US|
|Alternative Maps||Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap|
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