This site was created by the Smithsonian Center for Education and Museum Studies in collaboration with the Department of Anthropology at the National Museum of Natural History and the Mexico-North Research Network. The site was made possible by a generous grant from Brother International Corporation, Inc.   Este sitio es el resultado de un esfuerzo de colaboración del Smithsonian Center for Education and Museum Studies, el Department of Anthropology del National Museum of Natural History y la Mexico-North Research Network. Los fondos requeridos para éste proyecto fueron generosamente suministrados por la Brother International Corporation, Inc.