Assertion: anthracite | /r/AtLocation | northeastern pennsylvania
Facets:
value: below the allegheny ridge southwest
type: LOCATION
value: to harrisburg
type: LOCATION
Source sentences:
text: There are two types of coal found in Pennsylvania: anthracite (the “hard coal” found in Northeastern Pennsylvania below the Allegheny Ridge southwest to Harrisburg; also called “stone coal”, “rock coal” in the 1800s) and bituminous (“soft coal”, found west of the Allegheny Front escarpment).