M.S. Geology (1975) Arizona State University. Thesis: Depositional Environments of Supai Formation, Central Arizona.
M.A. Anthropology (1993) University of Colorado, Boulder.
PhD. Anthropology (1995) University of Colorado, Boulder. Dissertation: The Use of Ground-penetrating Radar to Map the Topography and Structures at the Ceren Site, El Salvador.
- Ph.D., Anthropology, University of Colorado
- International Society for Archaeological Prospection