After study this cut (SU 601) is interpreted as relating to the construction of a hut. It is aligned with SU 530 and 615 and this set of features can be interpreted as the foundation trench and settings for upright posts that would form a hut or another small structure.

Square/rectangular cut in the bedrock east of the Area A structure and south of large square cut SU478. Western edge aligns with western edge of SU478 and cut may align with the smaller square cuts SU600 and SU602 and the long curving cut SU615. Function unknown - fill was natural accumulation.