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Arbitrary Unit 250, noncultural
About this Nonstructure
General Location
Southeast portion of the site.
Specific Location
Arbitrary 250 is surrounding Structure 220-234.
Selection Criteria
Excavation units were used to investigate a remote sensing anomaly.
Use
Arbitrary 250 is undisturbed native sediment.
Abandonment
Not Applicable
Postabandonment Process
Nonstructure 215 was deposited by cultural means over Arbitrary 250, Nonstructure 227, and Structure 220-234. Arbitrary 214 was deposited through natural processes (wind and water) over Nonstructure 215, 227, Structure 220-234, and Arbitrary 250.
Dating of Construction
Not applicable.
Dating of Remodeling
Not applicable.
Dating of Abandonment
Not Applicable
Dating of Midden
Not Applicable
Dating of Reuse
Not applicable.
Date Range
No dates available
Site-Wide
Dating
Excavation Details for Excavation Units
In order by excavation unit number.
Excavation Unit
25
Location
2-x-2 meter grid unit 1369N 502E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Other. The purpose of Excavation Unit 25 was to identify the outline of Structure 220. Excavation Unit 25 was terminated when a small portion of Structure 220 was located in the northeast corner of the Excavation Unit. The remainder of Excavation Unit 25 ended a
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
26
Location
2-x-2 meter grid unit 1369N 504E.
South east portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Other. The purpose of Excavation Unit 26 was to identify the outline of Structure 220. Excavation Unit 26 was terminated when a portion of the southwest corner of Structure 220 was identified in the north half of the Excavation Unit. The remainder of Excavation
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
27
Location
2-x-2 meter grid unit 1369N 506E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Other. The purpose of Excavation Unit 27 was to identify the outline of Structure 220. Excavation Unit 27 was terminated when a portion of the southern edge and antechamber of Structure 220 was identified in the north half of the Excavation Unit. The remainder o
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
28
Location
2-x-2 meter grid unit 1369N 508E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Other. The purpose of Excavation Unit 28 was to identify the outline of Structure 220. Excavation Unit 28 was terminated when a portion of the southern edge and antechamber of Structure 220 was identified in most of the Excavation Unit. The remainder of Excavat
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
29
Location
2-x-2 meter grid unit 1371N 502E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Fill continued. The purpose of Excavation Unit 29 was to identify the outline of Structure 220. Excavation Unit 29 was terminated when a portion of the southwest edge of Structure 220 was identified in the northeast half of the Excavation Unit. The remainder of Excavatio
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
32
Location
2-x-2 meter grid unit 1371N 508E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Fill continued. The purpose of Excavation Unit 32 was to identify the outline of Structure 220-234. Excavation Unit 32 was terminated when prehistoric ground surface (Nonstructure 227) was encountered at 98.89 m in the very northeast portion of the unit. The rest of the
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
33
Location
2-x-2 meter grid unit 1373N 502E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Fill continued. The purpose of Excavation Unit 33 was to identify the outline of Structure 220. Excavation Unit 33 was terminated when a portion of the northwest edge of Structure 220 was identified in the northwest half of the Excavation Unit. The remainder of Excavati
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
35
Location
2-x-2 meter grid unit 1373N 506E.
Southeast portion of site.
Directly west of Block 200 east midden.
Selection Criteria
Judgmental. To sample fill above Structure 220 and to identify Structure 220 outline.
Excavation Strategy
Natural strata.
Unit Ends at
Fill continued. In the northeast corner of the unit, excavation was terminated on the prehistoric ground surface (Nonstructure 227) at an elevation of approximately 98.64 m. In the rest of the unit, fill continued into Structure 220.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
149
Location
2-x-2 meter grid unit 1375N 504E.
Southeast quarter of the site.
Located in the northeast portion of Block 200; the southernmost portion of this unit is over Structure 220.
Selection Criteria
Judgmental. This unit was selected to test the area around Structures 220 and 234 and to determine their extent.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 227) at an elevation of approximately 98.77 m.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
150
Location
2-x-2 meter grid unit 1375N 506E.
Southeast quarter of the site.
Located in the northeast quarter of Block 200, directly north of Structure 220.
Selection Criteria
Judgmental. This unit was selected to test the area around Structures 220 and 234 and to determine their extent.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 227) at an elevation of approximately 98.75 m. Features 1 and 2 were dug into the prehistoric ground surface.
Study Unit(s) Identified in this Excavation Unit
Excavation Unit
151
Location
2-x-2 meter grid unit 1375N 508E.
Southeast quarter of the site.
Located in the northeast quarter of Block 200, directly northeast of Structures 220 and 234.
Selection Criteria
Judgmental. This unit was selected to test the area around Structures 220 and 234 and to determine their extent.
Excavation Strategy
Natural strata.
Unit Ends at
Undisturbed native sediment. Excavations ended on the prehistoric ground surface (Nonstructure 227) at an elevation of approximately 98.68 m.
Study Unit(s) Identified in this Excavation Unit