This volume includes a description, and the results, of a field survey in the Albegna Valley and Ager Cosanus area of southern Tuscany, focusing on evidence from the first millennium BC. Philip Perkins describes the methodology, aims and GIS approaches to the field study and then presents the evidence in terms of the Etruscan settlement patterns, burials, farming and subsistence, ceramic evidence, finally reconstructing a population and economic history for the study area. The survey project has revealed a highly organised and hierarchical settlement pattern in the Etruscan period, with an evolving and diversifying agricultural system.