Assertion: bison's number | /r/CapableOf | remain alive
Facets:
value: in north america
type: LOCATION
Source sentences:
text: During the population bottleneck, after the great slaughter of American bison during the 19th century, the number of bison remaining alive in North America declined to as low as 541.
text: During the population bottleneck, after the great slaughter of American bison during the 1800s, the number of bison remaining alive in North America declined to as low as 541.