Assertion: grassland | /r/CapableOf | stretch across the great plains
Facets:
value: from the rocky mountains
type: LOCATION
value: from deserts of the southwestern states
type: LOCATION
value: to the mississippi river
type: LOCATION
Source sentences:
text: Prior to the European settlement of North America, the largest grasslands in the United States stretched across the Great Plains from the Rocky Mountains and deserts of the southwestern states to the Mississippi River.