Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mesa Verde National Park' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
[23] The beginning of the 10th century saw widespread depopulation of the region, as people emigrated south of the San Juan River to Chaco Canyon in search of reliable rains for farming.
Examples are relatively rare on Mesa Verde proper, but abundant in the middle San Juan River area, which might indicate the river's importance as a travel route and key source of water.
The Ute Mountain Tribal Park, adjoining Mesa Verde National Park to the east of the mountains, is approximately 125,000 acres (51,000xc2xa0ha) along the Mancos River.