Chart correction N37/23 — chart 24052

24052  17Ed.  04/30/11  LAST  NM  N36/23  N37/23 Delete Depth 0.5 meter   34°27′06″S  58°29′23″W (See N08/23) Substitute Beacon "Tide Gauge QV" Y, "X" topmark [Q130.6] for buoy "Tide Gauge QV"   34°27′30″S  58°29′10″W Change Period of buoy "Km 15" to 1.5s   34°41′53″S  57°53′53″W Period of buoy "Km 14.6" to 1.5s   34°41′60″S  57°54′00″W (See N38, N45/22) Add AIS [S17.2] to buoy "Km 39"   34°40′55″S  57°57′26″W Add Legend "Channel marked by lighted buoys" joining   34°26′53″S  58°30′10″W   34°27′33″S  58°29′27″W   34°27′52″S  58°28′31″W Drying tint area [I15] enclosed by depth contour (0-meter) joining   34°26′30″S  58°29′31″W   34°27′01″S  58°29′37″W   34°27′17″S  58°29′25″W   34°26′60″S  58°28′52″W   34°26′30″S  58°28′35″W Note: Area extends beyond chart border (6(77)22, 8(102)23 Buenos Aires; 7(61)23 Montevideo)

Source: NGA U.S. Notice to Mariners · edition: 17Ed. 04/30/11

Reference information — always verify against official Notices to Mariners before navigation.