Site of the Nationaal Baggermuseum (National Mud Museum - apparently featuring dredging[?] and salvage[?]).
External Links
... (OGPU, 1923-1934) Narodnyi Kommissariat Gosudarstvennoi Bezopastnosti[?] (NKVD, 1934-1943) Ministerstvo Gosudarstvennoi Bezopastnosti[?] (MGB, ...