The Driftless Area

The Driftless Area (HMFXO)

Location: Sparta, WI 54656 Monroe County
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Country: United States of America
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N 43° 54.016', W 90° 54.755'

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Several times during the ice ages, glaciers flowed out of Canada, sometimes reaching as far south as the Ohio and Missouri rivers. During recent glaciations, southwestern Wisconsin was untouched, because the glaciers were diverted to the east or west by the highlands of north-central Wisconsin and northwestern Michigan.

Here, in the Driftless Area, you see a rugged landscape with deep valleys and rocky crags. Much of the Midwest would look like this today if it had not been glaciated, but the ice sheets smoothed those areas by eroding away the crags and filling in the valleys.

The Driftless Area was never completely surrounded by ice, and the glaciers reached only its eastern edge during the last glacial episode. At that time, about 15,000 years ago, the Wisconsin River was dammed by the glacier, and the sediment deposited in glacial Lake Wisconsin forms the flats between Tomah, Wisconsin Dells and Wisconsin Rapids. Then the Driftless Area was treeless and had a tundra climate.
Series This marker is part of the Wisconsin: Wisconsin Historical Society series
Marker Number272
Year Placed1983
Placed ByThe Wisconsin Historical Society
Marker ConditionNo reports yet
Date Added Friday, October 24th, 2014 at 1:05pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)15T E 667638 N 4862913
Decimal Degrees43.90026667, -90.91258333
Degrees and Decimal MinutesN 43° 54.016', W 90° 54.755'
Degrees, Minutes and Seconds43° 54' 0.96" N, 90° 54' 45.30" W
Driving DirectionsGoogle Maps
Area Code(s)608
Closest Postal AddressAt or near 4060 Jackpot Ave, Sparta WI 54656, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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