Chart correction 37/21 — chart 22221

22221 20Ed. 8/31/96 LAST NM 33/21 37/21 (Plan B) Substitute Dangerous wreck [K28] for depth 9.1 meters Wk 18°27′25″S 70°19′13″W Add Light Fl WRG 2s 23m 3M with sectors red 145°-147°, white-149°, green-151° 18°28′29″S 70°19′01″W Anchorage symbol [N10] 18°28′01″S 70°19′13″W (8(67)18 Valparaiso; CHL CH 1111)

Source: NGA U.S. Notice to Mariners · edition: 20Ed. 8/31/96

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