Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Kunya-Urgench' has mentioned 'Dam' in the following places:
Occurrence Sentence Text Source
Just east of the town was a dam that irrigated the area and blocked the flow of the Oxus into the Caspian Sea.
In 1220 both town and dam were destroyed by the Mongols and the surrounding area became a marsh.