Chart correction N4/21 — chart 22481
22481 36Ed. 6/14/14 LAST NM N4/18 N4/21 Add Submarine cable [L30.1] with legend “CAUTION NO 2” joining 52°33′06″S 70°00′45″W 52°33′35″S 69°59′26″W 52°36′34″S 69°56′27″W 52°36′56″S 69°56′37″W 52°39′59″S 69°54′01″W 52°42′59″S 69°49′48″W 52°43′14″S 69°49′53″W 52°43′27″S 69°49′13″W 52°46′30″S 69°44′41″W (11(90)20 Valparaiso)
Source: NGA U.S. Notice to Mariners · edition: 36Ed. 6/14/14
Reference information — always verify against official Notices to Mariners before navigation.