Chart correction N03/22 — chart 22172
22172 9Ed. 11/03/12 LAST NM N31/21 N03/22 Add Depth 17.5 meters enclosed by depth contour (20-meter) centered 12°05′00.0″S 77°15′11.4″W (PER CH 2235)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 11/03/12
Reference information — always verify against official Notices to Mariners before navigation.