Descriptive Attribute	Value(s)
Abuts	The unexcavated earth of the balk and Locus 18 an ash lens.
Underlies	Locus 18.
Description	This is a drain comprised of sandstone components that have been plastered together. It is covered and has a flat ashlar serving as its bottom. On the north is one ashlar positioned on its side and on the south there are three ashlars one on top of the other nearly reaching the level where the capstone would originally have been placed.
Overlies	Unknown.
Bottom (m)	Closing elevation: - 1.76 below Sub datum F, or 898.25 m.
Definition	Drain in the East Face of the West Balk of Locus 18. (Stage 4, perhaps earlier.)
Stage	Stage 4
Phase Description	Phase X: Site abandonment post major collapse dating to the Byzantine period from the CE 4th to 5th c....
Combined with	Locus 26 canalization?
Size	0.13 m in height without the capstone, which is in the balk. The opening is 0.42 m in height and it is 0.92 m in width.
Stage Description	Second reuse. Evidence of industrial activity including burning and later architectural installations.
Phase	X
Location	This drain emerged in the west balk of Trench 71.
Bonds to	None.
Top (m)	Opening elevation: - 1.63 m below Sub datum F, or 898.38 m.
Architectural or Soil Locus?	Architectural