Assertion: yellowstone caldera | /r/CapableOf | cover much of north america
Facets:
value: in debris
type: LOCATION
Source sentences:
text: When Yellowstone Caldera last erupted some 650,000 years ago, it released about 1,000 km3 of material, covering much of North America in debris up to two metres thick.
text: When Yellowstone Caldera last erupted some 650,000 years ago, it released about 1,000 km3 of material, covering much of North America in debris up to two metres thick.
text: When Yellowstone Caldera last erupted some 650,000 years ago, it released about 1,000 km3 of material, covering much of North America in debris up to two metres thick.