Arbitrary Unit 905, noncultural

About this Nonstructure

No Surface
No Masonry

General Location

North-central portion of site.

Specific Location

North-central portion of Architectural Block 900; north of Structures 903 and 904; 577.4N 535.9E.

Selection Criteria

1-x-2-m unit placed to expose the north exterior wall of Structure 909, a masonry surface room associated with Structures 903 and 904 (kivas).


Prehistoric ground surface on which the surface rooms in Architectural Block 900 were constructed.


Not applicable.

Postabandonment Process

Not applicable.

Dating of Construction

Prehistoric ground surface in Architectural Block 900 used for construction starting in the late Pueblo II period, and again in the Early Pueblo III period. This inference is based on the construction dates of Structures 908 and 909 which were built in the Late Pueblo II and Early Pueblo III periods, respectively.

Dating of Remodeling

Not applicable.

Dating of Abandonment

Not applicable.

Dating of Midden

Not applicable.

Dating of Reuse

Not applicable.

Date Range

21 (A.D. 1100–1180)

Site-Wide Dating

Excavation Details for Excavation Units

In order by excavation unit number.

Excavation Unit



1-x-2 meter grid unit 577.4N 535.9E.
North-central portion of the site.
Architectural Block 900; Northwestern portion of Architectural Block 900.

Selection Criteria

Judgmental. 1-x-2-m unit judgmentally placed to expose exterior wall masonry.

Excavation Strategy

Strata subdivided into arbitrary levels. Excavated in 10 cm levels.

Unit Ends at

Undisturbed native sediment. Fill continued below wall foundation into earlier deposit.

Study Unit(s) Identified in this Excavation Unit

Study Unit Type
Study Unit Number
Study Unit Description
Arbitrary Unit
nonmasonry surface room
masonry surface structure