Prehistoric turkey DNA used to track human migration August 25, 2017 In the mid-to-late 1200s, some 30,000 ancestral pueblo farmers left their homes in southwestern Colorado’s Mesa Verde region and never returned. Where these people went and why they left are two of American archeology’s longest-standing mysteries. By seabertson Categories: Anthropology, CAS Story Hub, Faculty, Published research/scholarship/creative work ancient DNA, Archeology, Brian Kemp, Mesa Verde, Native American, Pueblo, Tim Kohler