Assertion: walrus's tusk | /r/HasProperty | sought
Facets:
value: in the 18th and 19th centuries
type: TEMPORAL
value: after
type: TEMPORAL
Source sentences:
text: Their tusks, oil, skin, and meat were so sought after in the 18th and 19th centuries that the walrus was hunted to extinction in the Gulf of St. Lawrence and around Sable Island, off the coast of Nova Scotia.