Plate 8.2 Stratigraphy: an underwater excavation face showing several stratigraphic layers visible in the subtle changes
of texture and colour. White tags highlight the different layers. (Photo: Kester Keighley)Plate 8.1 Recording timbers: 1:1 tracing of timber surfaces on polythene. (Photo: Kester Keighley)9781405175913_7_Plates 5/7/08 6:26 PM Page 6