Chart editions / corrections
| * 17046 | Chart: 534, 535 | 
| Sweden. Sea of Bothnia. Gävlebukten. S of light Björn. E of Österholmarna. Underwater rock. | |
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| Insert | underwater rock | 60-37,61N | 017-59,87E | 
| Gävlebukten. Underwater rock | 
