Assertion: bald eagle's population | /r/CapableOf | skyrocket to 337 pairs
Facets:
value: by 2007
type: TEMPORAL
Source sentences:
text: Only four eagle pairs were known in Louisiana in 1960 and five in 1973; by 2007 the population had skyrocketed to 337 pairs (37, 51, 52, 93, 96, 112, 113).