Assertion: anthracite | /r/HasProperty | mined in northeastern pennsylvania
Facets:
value: most often
type: DEGREE
Source sentences:
text: In the U.S., nearly all anthracite is mined in northeastern Pennsylvania and consumed in Pennsylvania and its surrounding states.
text: Anthracite coal is most often mined in northeastern Pennsylvania, so if you reside in that area, you will likely have an easier time acquiring it for home use.