Nonstructure 233, midden

About this Nonstructure

No Surface
No Masonry

General Location

Central portion of site.

Specific Location

West-central portion of Block 200; within Structure 234.

Selection Criteria

Exposed by Backhoe Trench 227; deposited above Structure 234; 2-x-2-m unit placed to sample midden deposits.


This refuse was discarded into the depression of Structure 234 by residents of a nearby roomblock in the early Pueblo III period. Natural sediments accumulated above the collapsed roof prior to the deposition of secondary refuse.


Refuse was no longer discarded in this area after the early Pueblo III period.

Postabandonment Process

Natural fill accumulated above the refuse; the upper portions were disturbed by plowing.

Dating of Midden

Secondary refuse was deposited into this area in the early Pueblo III period.

Date Range

7 (A.D. 1140–1225)

Site-Wide Dating

Excavation Details for Excavation Units

In order by excavation unit number.

Excavation Unit



2-x-2 meter grid unit 504N 546E.
Central portion of site.
West-central portion of Block 200; 2-x-2-m unit 504N 546E.

Selection Criteria

Judgmental. 2-x-2-m unit placed to sample cultural deposit (Nonstructure 233) within depression created by collapse of Structure 234.

Excavation Strategy

Strata subdivided into arbitrary levels.

Unit Ends at

Fill continued. Excavation terminated when upper, natural fill within Structure 234 was exposed; ended at Stratum 2 Level 2 (PD 2120).

Study Unit(s) Identified in this Excavation Unit

Study Unit Type
Study Unit Number
Study Unit Description
Arbitrary Unit