Eugenia J. Robinson is a Research Fellow of the Middle American Research Institute of Tulane University and a Professor Emeritus of Anthropology at Montgomery College. Her research interests are settlement and landscape studies, interaction and rock images in the Kaqchikel Maya highlands.Gavin R. Davies has a PhD in anthropological archaeology from the University of Kentucky and is a Project Archaeologist with TRC. His doctoral thesis investigated long-term resilience and adaptation in the Lake Atitlan Basin of Highland Guatemala.