No.22

報告書の図版番号/Plate No. of the report：PL. 23-1

解説：8号竪穴の開口部壁際東部で検出された炭化材の様子。7号竪穴の壁と同様に、樹皮を壁面に当て、その内側に板材を周溝内に縦方向に立てて並べて壁とする構造が確認できる。板材には幅15cm〜20cm前後のトドマツが用いられていた。

comment：Carbonized wood found in the eastern area of the wall of the opening side of Pit House 8. As for Pit House 7a, the structure of a wall was made by placing pieces of bark on the wall and arranging logs inside them in the surrounding ditch. The material is 15 to 20 cm wide boards of Abies sachalinensis.