This FA Unterstand was built during the German occupation as part of the Atlantikwall (Stützpunktgruppe Castricum). The bunker lies on private property and is very delerict.
More information about Stützpunktgruppe Castricum can be found in Part 2 of the book 'Castricum en Bakkum tijdens de Tweede Wereldoorlog', written by John Heideman (2016).
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