Chart correction N8/21 — chart 37342
37342 4Ed. 7/20/13 LAST NM N5/21 N8/21 Delete Dangerous wreck (PD) 47°41′42″N 3°24′32″W Depth 4.6 meters Wks 47°41′15″N 3°23′15″W Substitute Depth 2.6 meters Wk [K26] for depth 2.7 meters 47°41′45″N 3°24′29″W Foul ground symbol [K31.1] for depth 8.1 meters Wk 47°41′27″N 3°24′25″W (15(60)17 Brest)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 7/20/13
Reference information — always verify against official Notices to Mariners before navigation.