Assertion: stratigraphic excavation | /r/CapableOf | isolate edge
Facets:
Source sentences:
text: Stratigraphic excavation in its basic form involves a process of cleaning the surface of the site; isolating contexts and edges which are definable in their entirety or part and then attepting to excavate or remove contexts in reverse stratigraphic order ( ie, in a backward chronology) – removing and recording he last material activity that occurred on the site back to the first.