Juliet E. Morrow is associate professor of anthropology at the University of Arkansas-Fayetteville and station archaeologist with the Arkansas Archaeological Survey. She has published articles in "Current Research in the Pleistocene" and "American Antiquity. "Cristobal Gnecco is professor of anthropology at the Universidad del Cauca, Colombia, co-editor of "Arqueologia Suramericana, "and a contributor" to Under the Canopy" and" Archaeology in Latin America,"