A Glacial Gift

A Glacial Gift (HM2MKG)

Buy flags at Flagstore.com!

N 43° 22.025', W 95° 8.203'

  • 0 check ins
  • 0 favorites
Fourteen thousand years ago the spot on which you are standing was covered under a mile-high ice sheet. The fourth Wisconsin glacier carved the cluster of lakes into Northwest Iowa. While this north-south cut is typical of glacial lakes, West Okoboji is unusual because it is so deep.

One theory is that a waterfall, coursing down the mile-thick ice, gouged the lake bed to its depth of 136 feet or more. Or perhaps, the juggernaut of ice, shoving glacial rubble ahead of it, sculpted the 6 1/2 mile-long basin to be filled by melting ice as the glacier retreated. Glacial deposits here are younger by hundreds of thousands of years than the glacial deposits of most other Iowa landscapes.

Special landscape formations resulted from direct contact with melting and disintegrating glacial ice. Knobs, ridges, hogsbacks, eskers, kettle holes, and fens are living imprints of some of nature's most remarkable phenomena.

Nine thousand years later there were forests here. Then the climate changed. Fires swept the forests, and prairie grasses, reeds, rushes, marshlands, and fens took over.

Beneath the waters in front of you is a canyon of deep, dark, cool water. This "lake below the lake" touches the top waters, but does not intermingle. The top lake, because of a temperature inversion of cooling and heating, turns over twice

a year.

West Okoboji Lake is spring fed, with an irregular shoreline of over 25 miles, all protected by filtering percolators in the form of wetlands. These natural factors, combined with several generations of dedicated environmentalists, have contributed to the enhanced quality of the brilliant blue water.
Marker ConditionNo reports yet
Date Added Saturday, November 2nd, 2019 at 5:01pm PDT -07:00
Sorry, but we don't have a picture of this historical marker yet. If you have a picture, please share it with us. It's simple to do. 1) Become a member. 2) Adopt this historical marker listing. 3) Upload the picture.
Locationbig map
UTM (WGS84 Datum)15T E 326877 N 4803797
Decimal Degrees43.36708333, -95.13671667
Degrees and Decimal MinutesN 43° 22.025', W 95° 8.203'
Degrees, Minutes and Seconds43° 22' 1.4999999999999" N, 95° 8' 12.18" W
Driving DirectionsGoogle Maps
Closest Postal AddressAt or near , ,
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

Is this marker missing? Are the coordinates wrong? Do you have additional information that you would like to share with us? If so, check in.

Check Ins  check in   |    all

Have you seen this marker? If so, check in and tell us about it.

Comments 0 comments

Maintenance Issues
  1. What country is the marker located in?
  2. Is this marker part of a series?
  3. What historical period does the marker represent?
  4. What historical place does the marker represent?
  5. What type of marker is it?
  6. What class is the marker?
  7. What style is the marker?
  8. Does the marker have a number?
  9. What year was the marker erected?
  10. Who or what organization placed the marker?
  11. This marker needs at least one picture.
  12. Can this marker be seen from the road?
  13. Is the marker in the median?