The Pre-Dorset culture was a Paleo-Eskimo culture that lived in the Eastern Canadian and Greenland Arctic from 2500 to 500 BC, and preceded the Dorset culture.
References
Pre-Dorset Wikipedia(Text) CC BY-SA
The Pre-Dorset culture was a Paleo-Eskimo culture that lived in the Eastern Canadian and Greenland Arctic from 2500 to 500 BC, and preceded the Dorset culture.