Chart correction N45/21 — chart 37166

37166 4Ed. 01/11/14 LAST NM N39/21 N45/21 Add Foul ground symbol [K31.1] 51°58.1′N 3°21.8′E Foul ground symbol [K31.1] 52°00.7′N 3°31.7′E Swept depth 27 meters Foul [K2] 52°00.5′N 3°34.5′E Swept depth 28.5 meters Wk [K27] 51°57.5′N 3°23.2′E (37(327)21 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 01/11/14

Reference information — always verify against official Notices to Mariners before navigation.