Assertion: national park's acre | /r/HasProperty | 270.3 sq mi
Facets:
Source sentences:
text: The park covers 172,971 acres (270.3 sq mi; 700.0 km2) and includes Elliott Key, the park's largest island and northernmost of the true Florida Keys, formed from fossilized coral reef.
text: Biscayne National Park comprises 172,971 acres (270.3 sq mi; 700.0 km2) in Miami-Dade County in southeast Florida.