- Discover the Bruce Vento Nature Sanctuary (saintpaulhistorical.com)
A thousand years ago the area around the confluence of Trout Brook and Phalen Brook near the Mississippi River was a marshy flood plain. By the early 1900s, the entire delta had been expanded by filling and became an industrial railroad corridor. As rail use decreased in the 1970s, the land was largely abandoned and buildings and tracks were removed.
- Laurentide Ice Sheet (Wikipedia)
The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glacial epochs, from 2.58 million years ago to the present.