Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Frontiers of the Roman Empire – The Lower German Limes' has mentioned 'Marshland' in the following places:
Occurrence Sentence Text Source
Only a little west of today's German-Dutch border, roughly in the area of the legion camp of Noviomagus, the Lower Rhine Plain transitions into the watery marshland formed by the Rhine and Meuse and which finally ends at the North Sea in the Rhine-Meuse-Scheldt delta.