Locus 21 is the chamber construction in Burial 02.
Floor 5 R 4/5 dark reddish brown, clay loam. Once locus 2 was taken out, the entire NW wall measured 1.91m and the SE wall measured 2.40m
The capstone sat on top of a square cist chamber constructed from tuff blocks. These consisted of 3 walls consisting of 1-2 courses of worked blocks (1 very tall stone with a smaller one on top) and 1 wall on the western side that was stacked with about 3 courses of shaped medium sized stones.