Kimball M. Banks earned his Ph.D. from Southern Methodist University. He has spent most of his career in Federal service, first with the Bureau of Indian Affairs and then the Bureau of Reclamation. He has conducted fieldwork in the American Southwest, Southeast, Northern Plains, Texas, California, and in Egypt. While with the Bureau of Reclamation, he administered investigations at the Angostura Site, the McKean site and other sites that the River Basin Surveys and Interagency Archeological Survey Program investigated, which stimulated his interest in the history of the River Basin Surveys. He currently manages the Regional Office of Metcalf Archaeological Consultants, Inc. in Bismarck, North Dakota. Ann M. Scott is the Director of Cultural Resources at aci consulting, an environmental consulting firm headquartered in Austin, Texas. She earned her PhD in Latin American Studies from The University of Texas at Austin, received a MA in Anthropology from Northern Illinois University, and completed a BS degree with honors from Central Michigan University. Dr. Scott has over 25 years of archaeological experience and has worked for the National Park Service, the State of Wisconsin, the State of Illinois, and various private consulting firms in the Midwest and Texas. In addition to a successful career in cultural resource management, Dr. Scott has a long record of conducting research in Latin America. She has participated in archaeological research in Peru, Bolivia, Honduras, Guatemala, and Belize, and specializes in Mesoamerican cave archaeology.