Internet cartoon and geography fan XKCD made a diagram showing how thick the ice sheet was over the spot of the city 21,000 years ago.
The depths are
My home region was once under over a mile of ice. To think this and the radical changes between then and now are 100 percent natural. Nature is violent and climate change can be world altering.
The depths are
- Boston 4,100 feet (1250 meters)
- Chicago 2,950 feet (900 meters)
- Montreal 10,170 feet (1.9 miles! or 3,100 meters)
- Toronto: 6,890 feet (2,100 meters)
My home region was once under over a mile of ice. To think this and the radical changes between then and now are 100 percent natural. Nature is violent and climate change can be world altering.
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