tDAR is the digital repository of Digital Antiquity, a collaborative organization dedicated to enhancing preservation and access to the digital records of archaeological investigations. Hosted by Arizona State University, tDAR is supported by grants from the Andrew W. Mellon Foundation, and the National Science Foundation (0433959 and 0624341), and a grant jointly funded by the National Endowment for the Humanities (PX-50022-09) and the Higher Education Funding Council for England of the United Kingdom acting through the Joint Information Systems Committee (JISC). Any opinions, findings, conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect those of the National Science Foundation, the Mellon Foundation, the National Endowment for the Humanities or the Joint Information Systems Committee.