Answer:
True
Step-by-step explanation:
Digging or excavation of a field site based on arbitrary level in archaeology is defined by a unit called spit. It has no regards for strata structure and mostly used for it's speed, since the soil structure is not considered, and used also in filled deposit areas with no intension of reconstruction.
The site stratigraphy provides a strata level chart and excavates the site based on the chart to prevent damage to soil structure.