Assertion: ground squirrel's burrow | /r/ObjectUse | used for many years
Facets:
Source sentences:
text: They live in underground burrows, which may be used for many years.
text: Residing in mountainous terrain and high plains in northern latitudes, they hibernate most of the year in burrows, which may be used for many years.
text: Residing in mountainous terrain and high plains in northern latitudes, they hibernate most of the year in burrows, which may be used for many years.