Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Uluru-Kata Tjuta National Park' has mentioned 'Canyon' in the following places:
Occurrence Sentence Text Source
In 1872 while exploring the area, Ernest Giles sighted Kata Tjuta from near Kings Canyon and called it Mount Olga, while the following year Gosse saw Uluru and named it Ayers Rock after Sir Henry Ayers, the Chief Secretary of South Australia.