Chart correction 23/21 — chart 22282
22282 17Ed. 12/28/91 LAST NM 36/20 23/21 Add Submarine cable [L30.1] joining 29°53′21″S 71°16′26″W 29°53′48″S 71°22′50″W 29°54′11″S 71°24′14″W Submarine cable [L30.1] joining 29°53′21″S 71°16′26″W 29°51′22″S 71°22′18″W 29°51′00″S 71°23′06″W Note “SUBMARINE CABLES Mariners are advised not to anchor, trawl, or fish in the vicinity of submarine cables.” 30°00′39″S 71°20′39″W (12(98)20 Valparaiso)
Source: NGA U.S. Notice to Mariners · edition: 17Ed. 12/28/91
Reference information — always verify against official Notices to Mariners before navigation.