Minnesota is rising at the greatest rate. A 10,000-foot ice sheet covered it only 13,000 years ago. Think back to when we talked about isostasy. Why do you think Minnesota is uplifting each year
The deposited ice may have melted during these recent years and hence to compensate the melted ice as a part of the isostatic adjustment, the Minnesota region may have started uplifting each year in a gradual manner.
