Descriptive Attribute	Value(s)
Phase	IV
Phase Description	Phase IV: Nabataean Grand Design: 1st c. BCE to CE 1st c. The remainder of the subterranean canalization is...
Stage	Stage 1
Stage Description	Construction of the southwest rooms.
Architectural or Soil Locus?	Architectural
Definition	Portion of the Nabataean north wall to the east of the north door Hexagonal Pavement Floor
Top (m)	Opening elevation: 905.835 m. Opening elevation: 905.587 m.
Bottom (m)	Closing elevation: 905.375 m. Closing elevation: 905.537 m.
Size	0.28 m in visible north south width-by-1.37 m in east west length. 0.86 m north south-by-0.60 m east west.
Preserved Height	0.05 m. 0.46 m.
Underlies	Locus 15. Trench 83, 2001 Shrine Room wall loci.
Overlies	The floor bedding of the Baroque Room. Locus 2 (Leveling Fill).
Location	East boundary of the trench. Southwest corner of the Shrine room. Southwest corner of the Shrine Room.
Bonds to	None. Locus 10.
Abuts	None. Locus 2 (Leveling Fill).
Combined with	Loci 2, 3, 9, 10 and 14. Locus 2 (Leveling Fill).
Description	Locus 1 is constructed of large, hewn sandstone ashlars that are dry laid. It stands one course high and is wider (extends farther to the south) than the late leveling courses and wall above it. It is visibly at least two rows thick. In the east, Locus 1 ends approximately 1.10 m before the late wall above, the latter resting on dirt at its easternmost edge.