Chart correction N37/20 — chart 24052
24052 17Ed. 4/30/11 LAST NM N31/20 N37/20 Change Period of buoy to 8s 34°35′35″S 57°48′57″W Add Depth 2.3 meters Obstn [K41] 34°28′22″S 57°55′14″W (5(32), 6(35)20 Montevideo)
Source: NGA U.S. Notice to Mariners · edition: 17Ed. 4/30/11
Reference information — always verify against official Notices to Mariners before navigation.