Assertion: platform mound | /r/HasProperty | four-sided truncated pyramids
Facets:
value: usually
type: TEMPORAL
value: with steps
type: OTHER
Source sentences:
text: These platform mounds are usually four-sided truncated pyramids, steeply sided, with steps built of wooden logs ascending one side of the earthworks.
text: These platform mounds are usually four-sided truncated pyramids, steeply sided, with steps built of wooden logs ascending one side of the earthworks.