Chart correction N23/20 — chart 22397

22397 1Ed. 9/29/12 LAST NM N4/15 N23/20 Add AIS [S17.1] to beacon 48°04′29″S 75°12′50″W (4(36)20 Valparaiso)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 9/29/12

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