Nonstructure 4.4-N, extramural surface

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Features

Wall: other (Feature 3) Top of page
General description
Masonry retaining wall.
Use history
Retaining wall built to prevent trash from eroding downslope; base of the wall is at or just above base of the secondary refuse deposits, indicating the construction of the wall began around the same time this area began to be used as midden.
Associated features
May be part of the same wall that forms the south boundary of Nonstrucuture 1, Segment 9, F-7.
Excavation procedure
Exposed during excavation and documented.
Portion excavated
Portion within Nonstructure 4, Segment 1.
Horizontal location
Wall runs roughly east-west through the south half of Nonstructure 4, Segment 1.
Vertical location
Base of wall rests just above or on top of Stratum 2 (Surface 1), which is interpreted as undisturbed soil or an early, occupational deposit.
Construction
Wall built on or just above a deposit that has been interpreted as undisturbed soil or an early, occupational deposit (Stratum 2 in PD record); this is a dry-laid, three-course high wall that consists of unshaped stones of various sizes and shapes; may have been constructed over time, with courses added as trash deposits accumulated.
Remodeling/ modification
No
Thermal alteration
No
Sooting
No
Sealed
No
Preservation
Excellent.
Degree of preservation
Shape in plan view
Actual:  other.
Inferred: 
Shape in cross section
Actual:  irregular.
Inferred: 
Shape comments
Linear in plan.
Dimensions
 
Actual
Complete?
Inferred
Comments
Length
113
No
1800
Wall extends beyond excavation unit to the southwest and northeast; another probable wall section was found in Nonstructure 1.20-N, Segment 9, F-7.
Width
59
Yes
Height
49
No
Depth
No
Stratigraphy
Stratum
Interpretation
Inclusions
Disturbance
Color
Texture