Assertion: bluestone | /r/HasProperty | placed
Facets:
value: between 2400 and 2200 b.c.—two
type: TEMPORAL
Source sentences:
text: The bluestones at Stonehenge were placed there during the third phase of construction at Stonehenge around 2300 BC.
text: Using these calculations, Darvill and Wainwright would later estimate that the first bluestones had been placed between 2400 and 2200 B.C.—two or three centuries later than the previous estimate of 2600