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Nonstructure 304, extramural surface
About this Nonstructure
General Location
East-central portion of the site.
Specific Location
Nonstructure 304 is 23 m northeast of Structure 102.
Selection Criteria
1-x-1-m units were used to investigate a midden deposit.
Use
Nonstructure 304 is a use-surface comprised of undisturbed native sediment.
Abandonment
Not Applicable
Postabandonment Process
Nonstructure 302 was deposited over Nonstructure 304 by cultural means; Arbitrary 301 and 306 were deposited over Nonstructure 304 through natural processes (wind and water).
Dating of Construction
Based on an AMS date from burned corn from one of the associated fence postholes, this surface was in use by A.D. 550-650.
Dating of Remodeling
Not applicable.
Dating of Midden
Basketmaker III (A.D. 600-725)
Dating of Reuse
Not applicable.
Date Range
2 (A.D. 600–660)
Site-Wide
Dating
Excavation Details for Excavation Units
In order by excavation unit number.
Excavation Unit
117
Location
2-x-2 meter grid unit 1421N 512E.
Northeast quarter of the site.
Located in the southeast quarter of Block 300, approximately 22 m southeast of Structures 312 and 324.
Selection Criteria
Judgmental. This unit was selected to investigate possible postholes associated with a stockade in the northeast portion of the Dillard Site.
Excavation Strategy
Strata subdivided into arbitrary levels. Strata subdivided into arbitrary levels.
Unit Ends at
Undisturbed native sediment. Excavation was terminated at an elevation of approximately 99.42 m. A 20 cm x 20 cm window was dug into the northwest corner of the unit to confirm the sterility of the deposit; the bottom of this window was at an elevation of 99.40 m.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
119
Location
1-x-3 meter grid unit 1435N 505E.
Northeast quarter of the site.
Located in the north-central portion of Block 300, over the east portion of Structure 311.
Selection Criteria
Judgmental. This unit was selected to test Structure 311.
Excavation Strategy
Strata subdivided into arbitrary levels. Strata were subdivided into arbitrary 25-cm levels when applicable.
Unit Ends at
Structure floor. In the west portion of the unit, excavations ended on the floor of Structure 311 at an elevation of approximately 99.38 m. Features 1 and 2 were dug into the structure floor. In the east portion of the unit, excavations ended on the prehistoric ground sur
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
139
Location
1-x-1 meter grid unit 1423N 514E.
Northeast quarter of the site.
Located in the southwest quarter of Nonstructure 302 (Architectural Block 300 midden).
Selection Criteria
Random. To sample Architectural Block 300 midden Nonstructure 302.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.32 m. Feature 2 was dug into the prehistoric ground surface. A 10 cm x 10 cm window was dug into the southwest corner of the unit; the bottom of thi
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
140
Location
1-x-1 meter grid unit 1425N 516E.
Northeast quarter of the site.
Located in the southwest quarter of Nonstructure 302 (Architectural Block 300 midden).
Selection Criteria
Random. To sample Architectural Block 300 midden Nonstructure 302.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.17 m. Feature 1 was dug into the prehistoric ground surface. A 20 cm x 20 cm window was dug into the northeast corner to confirm the sterility of th
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
153
Location
1-x-1 meter grid unit 1433N 514E.
Northeast quarter of the site.
Located in the west-central portion of Nonstructure 302 (Architectural Block 300 midden).
Selection Criteria
Random. To sample Architectural Block 300 midden Nonstructure 302.
Excavation Strategy
Strata subdivided into arbitrary levels. Stratum 2 was divided into two levels because of a difference in compaction.
Unit Ends at
Undisturbed native sediment. Excavations were terminated on the prehistoric ground surface (Nonstructure 302) at an elevation of approximately 99.34 m. A test window was dug into the northwest corner of the unit to confirm sterility; the bottom of this window was at an elevation of 9
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
170
Location
2-x-2 meter grid unit 1429N 511E.
Northeast quarter of the site.
Located in the southeast quarter of Block 300, approximately 7 m southeast of Structure 311.
Selection Criteria
Judgmental. This unit was selected to investigate anomalies that were noted during remote sensing. Augering in this area confirmed the presence of subsurface features.
Excavation Strategy
Strata subdivided into arbitrary levels. Strata were subdivided into arbitrary 10-cm levels when applicable.
Unit Ends at
Undisturbed native sediment. Excavation was terminated on the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.43 m. Pits 8 and 9 were dug into the prehistoric ground surface.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
201
Location
2-x-2 meter grid unit 1431N 515E.
Northeast quarter of the site.
Located in the east-central portion of Block 300, approximately 10 m southeast of Structure 311.
Selection Criteria
Judgmental. This unit was selected to follow the possible stockade indicated by postholes in the 1-x1-m unit 1433N 514E.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations were terminated at the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.25 m. A 25 cm x 25 cm window was dug into the northeast corner of the unit to confirm sterility; the bottom of this window was at an eleva
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
216
Location
2-x-2 meter grid unit 1434N 513E.
Northeast quarter of the site.
Located in the northeast quarter of Block 300, approximately 6 m east of Structure 311.
Selection Criteria
Judgmental. This unit was selected to test an area where an anomaly was located during remote sensing.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.35 m. Feature 5 was dug into the prehistoric ground surface.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
230
Location
2-x-2 meter grid unit 1435N 515E.
Northeast quarter of the site.
Located in the northeast quarter of Block 300, approximately 8 m east of Structure 311.
Selection Criteria
Judgmental. This unit was selected to test an area where an anomaly was located during remote sensing.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 304) at an elevation of approximately 99.17 m. Features 6 and 7 were excavated into the prehistoric ground surface.
Study Unit(s) Identified in this Excavation Unit