Richard Hansen University of Utah No description specified. 1-4 (4 Records) Documents Hidden Structures at El Mirador: Challenges and Prospects (2021) Hidden Structures, Ground Penetrating RADAR, and the Demography of El Mirador (2019) Issues Reconstructing the Ancient Population of El Mirador, Guatemala (2018) Landscape of the Mirador-Calakmul Karst Basin (2021)