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* 16811	Chart: 9312, 9313
Sweden. Kattegat. Gothenburg. E of St Måvholmen. Underwater rocks.

Insert	underwater rocks in pos a) and b)	a)	57-40,966N	011-43,872E
		b)	57-40,947N	011-43,874E
Amend	3 m depth contour as per chartlet between a) and b)

St Måvholmen. Underwater rocks