Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Wood Buffalo National Park' has mentioned 'Island' in the following places:
Occurrence Sentence Text Source
In 1965, 23 of these bison were relocated to the south side of Elk Island National Park.
In 1990 the government announced a plan to destroy the entire herd and restock the park with disease-free bison from Elk Island National Park.
They are more true to the original types than the preserved herds at Elk Island National Park and Mackenzie Bison Sanctuary.