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
Text
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.
Keywords
geography, nature