Chart correction N23/20 — chart 44200
44200 10Ed. 9/7/13 LAST NM N12/20 N23/20 Add Depth 9.2 meters enclosed by depth contour (10-meter) centered 60°35.4′N 20°06.2′E (19(241)13 Helsinki; FIN CH 955) SECTION I NM 23/20 I-1.5
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 9/7/13
Reference information — always verify against official Notices to Mariners before navigation.