Beverley Ballin Smith is the Publications Manager for GUARD Archaeology and editor of ARO (Archaeology Reports Online). She also specialises in the analysis of prehistoric pottery and coarse stone tools. She has published widely: the Howe Broch and the Crantit Tomb, both on Orkney; the Neolithic and Bronze Age aspects of Iain Crawford’s work on the Udal, North Uist; and with Barbara Crawford on the Norse site of the Biggings at Papa Stour, Shetland.Alan Hunter Blair has over 20 years experience working on and directing a wide range of rural and urban archaeological projects in Scotland and England, including major projects such as the prehistoric Carnoustie excavation in Angus and the medieval to post-medieval Tram Scheme in Edinburgh. He has co-authored several published reports on these excavations.Warren Bailie is the Managing Director for GUARD Archaeology and has more than 20 years’ experience in commercial archaeology. During this time, he has directed a wide range of archaeological excavations dating from the Mesolithic to the post-medieval across Ireland and Scotland, and has managed major archaeological works including at St Kilda and the Antonine Wall.