Assertion: steppe mammoth | /r/CapableOf | arrive in north america
Facets:
value: across beringia
type: LOCATION
Source sentences:
text: Steppe mammoths arrived in North America across Beringia around 1.5 million years ago, giving rise to the columbian mammoth (the ancestor was previously thought to be M. meridionalis but this was due to misinterpretation of tooth wear patterns).