Assertion: slate | /r/HasProperty | extracted on small scale
Facets:
value: by groups of quarrymen
type: OTHER
value: carted slate to the ports
type: TRANSITIVE-OBJECT
Source sentences:
text: Up to the end of the 18th century, slate was extracted on a small scale by groups of quarrymen who paid a royalty to the landlord, carted slate to the ports, and then shipped it to England, Ireland and sometimes France.