An excavator takes soil samples from column on the wall of an open unit. The samples were used to study the geologic processes that affected the landform upon which 21AN106 is located. View of 1996 excavations in progress, facing west. An excavator takes soil samples from column on the wall of an open unit. The samples were used to study the geologic processes that affected the landform upon which 21AN106 is located.
Excavators use a transit to record surface elevations across the site.
The elevations were later used to create a contour map of the site area. A laptop computer was used to record ground-penetrating radar data in the field. A technician pulls the ground-penetrating radar unit across the site. A technician pulls the ground-penetrating radar unit across the site. View of the ground-penetrating radar survey, facing southwest.