Assertion: stilt's range | /r/CapableOf | contract by 1980
Facets:
value: during the 20th century
type: TEMPORAL
value: from being south island
type: OTHER
Source sentences:
text: During the 20th century the range contracted from being South Island wide to being confined to Canterbury and Otago in the 1950s, South Canterbury-North Otago by the 1970s, and the Mackenzie Basin by the 1980s.