Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Seventeenth-Century Canal Ring Area of Amsterdam inside the Singelgracht' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
The eastern part of the concentric canal plan, covering the area between the Amstel river and the IJ Bay, was not implemented for a long time.
The canal runs from the IJ Bay, near Central Station, to the Muntplein square, where it meets the Amstel river.
Zwanenburgwal flows from Sint Antoniessluis sluice gate (between the streets Sint Antoniesbreestraat and Jodenbreestraat) to the Amstel river.
Kloveniersburgwal is a canal running south from Nieuwmarkt to the Amstel River on the edge of the medieval city.