Penny Sized History: The Champlain Sea

For a brief period of time, about 3,000 years, there was an entire sea in the confines of Canada, and the United States. 

In my new short-form history dives called Penny Sized History, I look at the history of the Champlain Sea. 

You can reach me with suggestions and questions at [email protected] or follow me on Twitter at @craigbaird