Chart correction N49/20 — chart 37166
37166 4Ed. 1/11/14 LAST NM N40/20 N49/20 Delete Beacon 52°12.9′N 2°30.1′E (See N23/20) Add Foul ground symbol [K31.1] 53°04.9′N 4°34.2′E Foul ground symbol [K31.1] 53°25.2′N 5°09.7′E (36(382)15, 40-41(298)20 Den Haag; 34(4085)20 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 1/11/14
Reference information — always verify against official Notices to Mariners before navigation.