Assertion: plain bison | /r/AtLocation | wood buffalo national park
Facets:
value: between 1928
type: TEMPORAL
value: between 1925
type: TEMPORAL
Source sentences:
text: By 1957, wood bison were thought to have been finally extinct in Canada due to hybridization with the plains bison, which took place in Wood Buffalo National Park between 1925 and 1928.