Assertion: mound's construction | /r/CapableOf | proceed in single massive effort
Facets:
value: over a short period
type: TEMPORAL
Source sentences:
text: There are no signs of construction phases or weathering of the mound fill even at microscopic levels, indicating that construction proceeded in a single massive effort over a short period.
text: There are no signs of construction phases or weathering of the mound fill even at microscopic levels, indicating that construction proceeded in a single massive effort over a short period.