Assertion: anthracite | /r/HasProperty | mined in the wilkes-barre region
Facets:
value: in northeastern pennsylvania
type: LOCATION
Source sentences:
text: While anthracite coal was first mined in the Wilkes-Barre region in northeastern Pennsylvania in 1775, it was not until the 1820s and 1830s that east coast industries began to replace water power with coal, creating a demand for anthracite.