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van der Graaf, Onne (author)'De Slufter' is a nature conservation area located in the Northwest of the Dutch Wadden island Texel which is inundated with seawater during storm events. The landward side of De Slufter is a sand dike which is part of the primary coastal defence ring of the island. HHNK, which is responsible for the coastal safety of Texel, currently relocates...master thesis 2019
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- Graaff, J. van de. (author) report 1971
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- Graaff, J. van de (author) report 1970
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- Gourlay, M.R. (author), Meulen, T. van der (author) report 1968