Assertion: cliff dwelling | /r/CapableOf | build dwelling
Facets:
value: based on tree ring data
type: OTHER
Source sentences:
text: Archaeological data suggests that the Cliff Dwellings were constructed for 8 to 10 families that moved in as a group, probably at the same time, and built the Dwellings within an 11 year time frame, between 1276 and 1287, based on tree ring data.