Chart correction 09/23 — chart 22221
22221 20Ed. 08/31/96 LAST NM 42/22 09/23 (Plan B) Add Buoy, can, double ball topmark, Fl(2) W 10s [Q130.4] 18°28′09″S 70°19′14″W (2(9)23 Valparaiso)
Source: NGA U.S. Notice to Mariners · edition: 20Ed. 08/31/96
Reference information — always verify against official Notices to Mariners before navigation.