Assertion: asphalt | /r/AtLocation | the earth
Facets:
value: naturally
type: MANNER
Source sentences:
text: Asphalt also is found naturally in the earth, and there are lakes of it where oil from underground has risen to the surface, like the La Brea Tar Pits in Los Angeles and Pitch Lake in Trinidad, which is the largest natural deposit of asphalt in the world.