Assertion: anthracite | /r/HasProperty | discovered by hunter
Facets:
value: in 1791
type: TEMPORAL
value: atop pisgah ridge
type: LOCATION
Source sentences:
text: In 1791, anthracite was discovered by a hunter atop Pisgah Ridge, and by 1792 the Lehigh Coal Mining Company began producing and shipping coal to Philadelphia via Mauch Chunk from the Southern Anthracite Field and Summit Hill, built atop the line between Schuylkill County and what would be renamed Carbon County.