Leila Philip discusses 19th-century anthropologist Lewis Henry Morgan, who documented beaver dams in the Lake Superior Basin, where Philip recently observed centuries-old dams still continually cleansing water. Philip also details her immersion into the w

Leila Philip discusses 19th-century anthropologist Lewis Henry Morgan, who documented beaver dams in the Lake Superior Basin, where Philip recently observed centuries-old dams still continually cleansing water. Philip also details her immersion into the world of modern fur trappers, finding unexpected ecological knowledge and a deep connection to nature within that culture.