A professional archaeologist since 1989, David E. Purcell investigates cultures of the prehistoric and historic periods throughout the North American Southwest. He has also worked in the Great Plains, California, and Great Basin regions, and in Belize and Mongolia. To date, his most important projects have been the first systematic survey of White Sands National Monument near Alamogordo, New Mexico, excavation of the 1870-1930 Hualapai Indian camp at Hackberry, Arizona, and mapping of the Tamir 2 gorodishche site in central Mongolia. After directing excavations at two sites south of Safford, Arizona, he organized the Safford Symposium, a regional conference through the Arizona Archaeological Council. Author, editor, or contributor to over one hundred archaeological reports and publications, Purcell contributed to this volume as co-author and editor. Currently he is involved with a long term survey of major high voltage power lines throughout Arizona for Logan Simpson Design, Inc.