Nota on research support: archaeological research for the dissertation and subsequent investigations on Tiwanaku interaction in Cochabamba was funded by the Tinker Foundation (managed by the Center of Latin American Studies, University of Pittsburgh), Wenner Gren Foundation for Anthropological Research, National Science Foundation (US), and the Organization of American States. Institutional and logistic support was provided by the Museo Arqueológico of the Universidad Mayor de San Simon, Cochabamba, and the Escuela Agrotécnica de Itapaya/Ciudad del Niño. Their support has allowed production of the archaeological information provided here.