Assertion: national park's acre | /r/HasProperty | 550 km2
Facets:
Source sentences:
text: In 2003, six fires burned approximately 136,000 acres (550 km2), more than 13% of the park.
text: In 2003, 136,000 acres (550 km2) burned in the park after a five-year drought and a summer season of almost no precipitation.