Assertion: crude oil's amount | /r/HasProperty | produced at onshore wells
Facets:
value: since the late 1960s
type: TEMPORAL
value: near dongara
type: LOCATION
Source sentences:
text: For many years, a small amount of crude oil has arrived for processing at the refinery via road tanker, having been produced at onshore wells near Dongara since the late 1960s.