Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Wadden Sea' has mentioned 'Mud' in the following places:
Occurrence Sentence Text Source
The word wad is Frisian and Dutch for "mud flat" (Low German and German: Watt, Danish: Vade).
The area is typified by extensive tidal mud flats, deeper tidal trenches (tidal creeks) and the islands that are contained within this, a region continually contested by land and sea.
The Wadden Sea is the largest unbroken system of intertidal sand and mud flats in the world, with natural processes undisturbed throughout most of the area.