Los Primeros Mexicanos: Late Pleistocene and Early Holocene People of Sonora

In 1927, near the town of Folsom, New Mexico, a spectacular discovery altered our understanding of early humans on the American continent. Scientists excavating a bison from the late Pleistocene age discovered a fluted projectile point wedged between the animal’s ribs—forceful evidence that humans existed during the Ice Age together with now-extinct animals. Subsequent discoveries at nearby Clovis introduced scientists to the first large-scale occupation of the Americas—Clovis culture—with...