Chart correction N30/20 — chart 37120
37120 4Ed. 9/19/15 LAST NM N28/20 N30/20 Add Submarine power cable [L31.1] joining 51°19.6′N 3°10.0′E 51°20.0′N 3°07.6′E 51°21.1′N 2°52.3′E 51°20.6′N 2°45.7′E 51°21.1′N 2°33.6′E 51°21.9′N 2°32.4′E 51°22.1′N 2°30.0′E 51°21.4′N 2°27.8′E 51°21.4′N 2°26.3′E 51°21.1′N 2°25.9′E 51°18.8′N 2°16.2′E 51°19.6′N 2°10.3′E 51°19.5′N 1°57.1′E 51°19.6′N 1°51.4′E 51°19.6′N 1°43.6′E 51°19.8′N 1°40.1′E 51°19.6′N 1°39.6′E 51°19.2′N 1°35.9′E 51°19.2′N 1°32.7′E 51°18.7′N 1°30.4′E 51°18.5′N 1°28.7′E 51°18.4′N 1°26.4′E 51°19.5′N 1°21.9′E (4(436)19 Taunton; UKHO ARCS 323-0, 1406-0) NM 30/20 SECTION I I-1.4
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 9/19/15
Reference information — always verify against official Notices to Mariners before navigation.