Disclaimer: this report is one of a series produced by staff and colleagues of Fishlab, in the Centre for Human Palaeoecology, Department of Archaeology, University of York. It contains material that may eventually be intended for publication and, as such, may represent only an interim statement. When quoting this report, please refer to it in this way: Postlethwaite, A.C. and Mudge, B.E. (2003...