Assertion: gold dredge | /r/ObjectUse | used in the molyneaux river
Facets:
value: from the 1860s
type: TEMPORAL
Source sentences:
text: Gold dredges were used in New Zealand from the 1860s; in Otago rivers like the Clutha River and the Molyneaux River, and in West Coast rivers like the Grey River (where the last gold dredge worked until 2004).