Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chavin (Archaeological Site)' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
While the fairly large population was based on an agricultural economy, the city's location at the headwaters of the Maraxc3xb1xc3xb3n River, between the coast and the jungle, made it an ideal location for the dissemination and collection of both ideas and material goods.
Dated to 5,000 years ago, it covered an area across four river valleys, about 100 miles north of Lima.