General description
                        Large, fire-pit on ephemeral use surface.
                     
                    
                        Use history
                        Pit excavated into ephemeral surface for use as fire-pit; feature expanded to south, not cleaned, and reused; fill continued to accumulate after use.
                     
                    
                        Associated features
                        None.
                     
                    
                        Excavation procedure
                        Feature bisected north-south, west portion excavated, profiled, then east portion was excavated.
                     
                    
                        Portion excavated
                        Entire portion within Segment 6.
                     
                    
                        Horizontal location
                        North portion of Segment 6.
                     
                    
                        Vertical location
                        Nonstructure 129, Surface 1.
                     
                    
                        Construction
                        Pit excavated into an ephemeral use surface.
                     
                    
                        Remodeling/ modification
                        
                                                        Yes. Pit appears to have been reused, with different episodes of edge-charring.
                                                    
                     
                    
                        Thermal alteration
                        
                                                            Yes. Charred edges.
                                                    
                     
                    
                    
                    
                    
                        Degree of preservation
                        Extensive rodent burrows.
                     
                    
                        Shape in plan view
                        Actual: 
                            basin-shaped.
                            Inferred:  
                        
                     
                    
                        Shape in cross section
                        Actual:   other.
                            Inferred:  
                        
                     
                    
                        Shape comments
                        Plan view is semi-circular.
                     
                    
                        
                            Dimensions
                        
                        
                            
                                
                                     
                                    Actual
                                    Complete?
                                    Inferred
                                    Comments
                                 
                                
                                    Length
                                    151
                                    
                                                                                 No
                                                                            
                                    
                                    Measured east-west.
                                    
                                        Width
                                        140
                                        
                                                                                         No
                                                                                    
                                        
                                        Measured north-south.
                                     
                                    
                                    
                                 
                             
                         
                     
                    
                        Stratigraphy
                        
                            
                                
                                    
                                        Stratum
                                        Interpretation
                                        Inclusions
                                        Disturbance
                                        Color
                                        Texture
                                     
                                    
                                                                                                                                        1
                                                Natural deposit.
                                                Charcoal flecks, sandstone.
                                                Rodent, insect.
                                                Brown.
                                                Silty clay loam.
                                                                                                                                                                                2
                                                Natural deposit.
                                                Calcium carobonate and charcoal flecks.
                                                Rodent, insect.
                                                Strong brown.
                                                Clay loam.
                                                                                                                                                                                3
                                                Use-associated fill.
                                                Abundant charcoal flecking and chunks, charred vegetal material and corn.
                                                Rodent, insect.
                                                Dark brown.
                                                Loam.