About 6,000 years ago the water level dropped and the champlain sea disappeared,; eaving behind the present day lakes and rivers.
Leaving behind the present day lakes and rivers. About 6,000 years ago the water level dropped and the champlain sea disappeared.
About 6,000 years ago the water level dropped and the champlain sea disappeared. Leaving behind the present day lakes and rivers.
About 6,000 years ago the water level dropped and the champlain sea disappeared. Leaving behind the present day lakes and rivers.