Assertion: mound's construction | /r/HasProperty | indicated by multiple burials
Facets:
value: at different levels within the structure
type: LOCATION
Source sentences:
text: Construction of the earthwork mound took place in successive stages from about 250–150 B.C., as indicated by the multiple burials at different levels within the structures.
text: Construction of the mound took place in successive stages from about 250-150 B.C., as indicated by the multiple burials at different levels within the structure.
text: Construction of the mound took place in successive stages from about 250-150 B.C., as indicated by the multiple burials at different levels within the structure.
text: Construction of the mound took place in successive stages from about 250-150 B.C., as indicated by the multiple burials at different levels within the structures.