On The Ground On The Ice Age National Scenic Trail
![](https://www.nationalparkstraveler.org/sites/default/files/styles/npt_square2/public/article-teaser-images/iatr-dalles_of_st._croix_riverbarbara_jense_1500.jpg?itok=CXfvPz3S)
Somewhere in the ten miles from the visitor center at Mississippi National River and Recreation Area in St. Paul, Minnesota, across the river to Minneapolis, I crossed an invisible line. It would have risen like a wall of ice, perhaps a mile high, just 15,000 years ago – a line demarcating the extent of the last glaciation.
- By Kurt Repanshek - May 31st, 2024 2:30am