East trench categories Alvastra Cairn Alvastra Concentration of clay and pottery Alvastra Eastern trench general Alvastra Hearths Alvastra Log floor Alvastra Osteology Alvastra Soil samples Alvastra Piles Alvastra Projected sections Alvastra Squares along x219 Alvastra Squares along x220 Alvastra Squares along x221 Alvastra Squares along x222 Alvastra Squares along x223 Alvastra Squares along x224 Alvastra Squares along x423 Alvastra Squares along x424 Alvastra Squares along x426 Alvastra Wood anatomy Alvastra Wood samples