Descriptive Attribute	Value(s)
Architectural or Soil Locus?	Soil
Abuts	The east face of Locus 15.
Underlies	Rubble and the disturbed roadway from the north to south for the exit of back dirt on the west and rubble on the east.
Overlies	Unknown.
Stage	Stage 4
Definition	Burned topsoil to the north of Locus 17 east west cross wall
Phase Description	Phase X: Site abandonment post major collapse dating to the Byzantine period from the CE 4th to 5th c....
Bottom (m)	Closing elevation: Approximately - 0.72 m below Trench Sub datum 71 F, or 899.29 m.
Description	This is an unsealed locus filled with extensive rubble and large amounts of collapsed ashlars.
Top (m)	Opening elevation: - 0.62 m below Sub datum 71 E, or 899.54 m.
Location	In the north of Trench 71, an extension to the trench.
Stage Description	Second reuse. Evidence of industrial activity including burning and later architectural installations.
Phase	X
Size	Locus 18 originally extended 11.80 m-by-7.30 m — the whole of the westernmost sector of Trench 71. Subsequently it was subdivided and it measured 7.50 m east west-by-6.30 m north south.
Bonds to	None.
Combined with	Other top soil loci.