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key buoy 
safe water mark in the North Sea
Schlüsseltonne - Weser estuary - 19th century.jpg
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Instance ofSpar buoy
Named after
Location Germany
Inception
  • 1664
53° 55′ 58″ N, 7° 58′ 30″ E
Authority control
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key buoy (en); Schlüsseltonne (de); Slöteltunn (nds) Seezeichen an der Nordseeküste vor Wangerooge (de); safe water mark in the North Sea (en) Bremer Tonne (de); Bremen buoy (en)

Media in category "Schlüsseltonne"

The following 4 files are in this category, out of 4 total.