1. Environmental Archaeology Laboratory, Department of Historical, Philosophical and Religious Studies Umeå University SE‐901 87 Umeå Sweden
2. School of Natural Sciences, Technology and Environmental Studies Södertörn University SE‐141 89 Huddinge Sweden
3. School of Historical and Contemporary Studies Södertörn University SE‐141 89 Huddinge Sweden
4. Västerviks Museum SE‐593 38 Västervik Sweden