Assertion: brown pelican | /r/HasProperty | affected by oil spills
Facets:
value: during the previous 20 years
type: TEMPORAL
value: in california
type: LOCATION
Source sentences:
text: A 2007 report to the California Fish and Game Commission estimated that during the previous 20 years, some 500–1000 brown pelicans had been affected by oil spills in California.