Assertion: sandhill crane | /r/CapableOf | converge on the platte river basin
Facets:
value: in nebraska
type: LOCATION
value: to rest
type: PURPOSE
value: for about a month
type: TEMPORAL
Source sentences:
text: For about a month each March, more than 500,000 sandhill cranes converge on the Platte River basin in Nebraska to rest and eat before they finish their migration to their northern breeding grounds.