The area between the Great Lakes and Lake Winnipeg, bounded on the north by the Hudson Bay lowlands, is sometimes known as the "Petit Nord." Providing a link between the cities of eastern Canada and the western interior, the Petit Nord was a critical communication and transportation hub for the North American fur trade for over 200 years.Although new diseases had first arrived in the New World in the 16th century, by the end of the 17th century shorter...