Vance Holliday is Professor in the Departments of Anthropology and Geosciences University of Arizona. He received his Ph.D. in Geology at the University of Colorado-Boulder (1982). His research interests extend into geoarchaeology, Paleoindian archaeology and Quaternary landscape evolution. His research areas are focused on the American Southwest and northern New Mexico. Dr. Holliday is also Executive Director of the Argonaut Archaeological Research Fund (AARF) which is dedicated the to study of the earliest peopling of the Greater Southwest. Vance has also done field work in the Pampas of Argentina and the Don River Valley in Russia. He has authored and edited several volumes including Soils in Archaeology: Landscape Evolution and Human Occupation (1992), Paleoindian Geoarchaeology of the Southern High Plains (1997), and Soils and Archaeological Research (2004).