A growing number of archaeologists are applying Geographic Information Science (GIS) technologies to their research problems and questions. Advances in GIS and its use across disciplines allows for collaboration and enables archaeologists to ask ever more sophisticated questions and develop increasingly elaborate models on numerous aspects of past human behavior. Least cost analysis (LCA) is one such avenue of inquiry. While least cost studies are not new to the social sciences in general, LCA is relatively new to archaeology; until now, there has been no systematic exploration of its use...