Descriptive Attribute	Value(s)
Size	Approximately 3.70 m north south-by-6.70 m east west.
Architectural or Soil Locus?	Soil
Preserved Height	2.59 m.
Overlies	Floor of the north chambers 2 and 3.
Combined with	Locus 21 the fill and debris in the south structure, and perhaps Locus 15 the fill of the Rectangular Structure Locus 16.
Definition	N Rooms, Chambers 2 and 3, Debris and Collapse
Stage	Stage 5
Phase	XI XII
Stage Description	Collapse and abandonment.
Phase Description	Phase XII: Use levels, robbing and abandonments continue. Phase XI: Further collapse post- CE 5th c., possibly the result of the earthquake of CE 512. Major collapses...
Bottom (m)	Closing elevation: 900.569 m.
Description	The soil of this destruction level is a Munsell Brown 7.5YR 5/3. It is a consistent thick dusty deposit with collapsed ashlars and opus sectile elements, crushed brick, gravel aggregate, and mortar. The ceramic corpus is primarily composed of broken flue pipes or tubuli.
Top (m)	Opening elevation: 901.136 m.
Location	On the north side of the trench.
Underlies	Locus 9.