Chart correction N16/21 — chart 22342
22342 10Ed. 10/31/15 LAST NM N15/21 N16/21 Add Buoy, can, “X” topmark, Fl(3+1) Y 20s [Q130.6] 41°50′54″S 73°56′24″W Submarine cable [L30.1] joining 41°38′30″S 73°53′39″W 41°38′50″S 73°54′59″W 41°39′23″S 73°56′35″W 41°40′01″S 74°00′30″W (10(91)18, 3(28)20 Valparaiso; 35(4413)19 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 10/31/15
Reference information — always verify against official Notices to Mariners before navigation.