Chart correction N36/23 — chart 44430
44430 4Ed. 05/30/15 LAST NM N34/23 N36/23 Add Depth 122 meters Obstn [K41] 56°11.6′N 19°14.2′E Depth 121 meters Obstn [K41] 56°08.6′N 19°12.3′E Depth 119 meters Obstn [K41] 56°07.9′N 19°08.9′E (7(168-170)23 Riga)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 05/30/15
Reference information — always verify against official Notices to Mariners before navigation.