Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Dinosaur Provincial Park' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
The park is situated in the Red Deer River valley, which is noted for its striking badland topography, and abundance of dinosaur fossils.
It was deposited in floodplain and coastal plain environments by river systems that flowed eastward and southeastward to the Western Interior Seaway.