Descriptive Attribute	Value(s)
Bottom (m)	Bottom elevation: 3.60 m from Point E or 886.01 m.
Phase Description	Phase IV: Nabataean Grand Design: 1st c. BCE to CE 1st c. The tetrastyle in antis temple is built, including...
Size	1.78 m in length –by- 0.12 m in height-by-0. 34 m width, but filled in with flat stones as a backing to make the threshold 0.68 m in width. (This measurement includes the stone backing into the West Corridor.)
Definition	Part III Doorway 4 Threshold Block between Doorjambs Loci 11 (south) and 12 (north).
Location	The bottom of the now cleared Doorway 4.
Abuts	Locus 9 Pavement, Doorjambs Loci 11 and 12.
Stage	Stage 1
Top (m)	Top elevation: 3.48 m from Point E or 886.13 m.
Combined with	Part I) Construction of the West Corridor Wall Locus 2 and Doorway 3 Doorjambs, Loci 4, 5 and Threshold Locus 14; Part II) Construction of the West Corridor Wall Locus 8; Part III) Doorway 4, and Doorjamb Locus 12. Locus 14 — Threshold Block between Doorjambs Loci 4 and 5 of Doorway 3, Part II. Locus 17 — Threshold Block between Locus 11 south and Locus 12 north.
Underlies	Threshold Blockage, Locus 16, which now has been removed.
Phase	IV
Description	This block has pronounced diagonal chisel marks.
Stage Description	Construction of the West Corridor Wall.
Architectural or Soil Locus?	Architectural