Assertion: beaver's dam | /r/CapableOf | cover many acres
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Once the dam has flooded enough forest area to the proper depth to form a protective moat for the lodge (often covering many acres), the beaver will begin construction on the lodge.
text: Once the dam has flooded enough area to the proper depth to form a protective moat for the lodge (often covering many acres), beavers begin construction on the lodge.