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Wisconsin Glacial Boundary

Location: On the east side of SR 37, just north of the Morgan/Monroe County line, Martinsville (Morgan County, Indiana) 46151

Marker No Longer Standing

Installed: Unknown

ID#: 55.1966.1


This marker is on the site of the southern boundary of the last great ice sheet which began to recede about 21,000 years ago. Earlier glaciers, the Kansan and Illinoian, extended further south.


geography, nature