During post-excavation study, this feature was reinterpreted as a potentially early leveling fill for the 1A building, although the line differentiating leveling fills and natural accumulation is difficult to determine.
The SU is a layer of accumulation beneath SU 2513 and SU 2514.
Friable brown deposit N. of 2240, pedestal for 2513 and 2514, under 2538