Chart correction N20/23 — chart 37166
37166 4Ed. 01/11/14 LAST NM N19/23 N20/23 Substitute Depth 22.5 meters Well [L21.2] for depth 21.5 meters Wk 53°24.2′N 4°36.9′E Add Submarine cable [L30.1] joining 52°26.1′N 1°47.5′E 52°25.7′N 1°51.3′E 52°25.2′N 1°57.8′E 52°25.1′N 2°02.3′E 52°25.5′N 2°09.3′E 52°29.5′N 2°13.4′E 52°29.9′N 2°16.3′E 52°29.9′N 2°19.3′E 52°29.6′N 2°22.2′E 52°29.5′N 2°47.5′E 52°29.3′N 3°12.2′E 52°28.0′N 3°23.3′E 52°26.1′N 3°27.9′E 52°25.4′N 3°41.7′E 52°25.9′N 3°43.5′E 52°24.7′N 3°53.2′E 52°24.6′N 4°01.0′E 52°26.8′N 4°10.0′E 52°26.3′N 4°20.0′E 52°22.7′N 4°31.7′E (24(175)22 Den Haag; 17(1425)23 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 01/11/14
Reference information — always verify against official Notices to Mariners before navigation.