Chart correction N23/20 — chart 37162
37162 14Ed. 9/28/13 LAST NM N22/20 N23/20 Add Submarine pipeline (gas) [L40.1] joining 52°17.4′N 3°49.0′E 52°18.3′N 3°45.8′E 52°18.8′N 3°45.3′E 52°21.3′N 3°39.7′E 52°22.9′N 3°39.0′E 52°23.5′N 3°38.2′E Submarine pipeline (gas) [L40.1] between 52°18.4′N 3°41.1′E 52°23.5′N 3°38.2′E (18-19(149)20 Den Haag)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 9/28/13
Reference information — always verify against official Notices to Mariners before navigation.