Chart correction N39/20 — chart 24055
24055 7Ed. 12/8/12 LAST NM N37/20 N39/20 Substitute Depth 1.9 meters Wk [K26] for dangerous wreck 34°33.4′S 57°36.9′W Change Period of buoy to 10s 35°15.3′S 57°03.0′W (11(77)17 Montevideo; 12(192)17 Buenos Aires)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 12/8/12
Reference information — always verify against official Notices to Mariners before navigation.