Chart correction N18/23 — chart 94217

94217   7Ed.  08/04/12  LAST  NM  N40/22  N18/23 Delete Depth 10.1 meters   31°18′53.6″N  121°41′46.0″E and extend depth contour (10-meter) W to enclose above position Add Depth 9.6 meters   31°16′34.8″N  121°44′46.2″E Depth 9.9 meters   31°16′23.4″N  121°45′00.6″E and enclose above depths (2) with depth contour (10-meter) Depth 7.7 meters   31°22′09.4″N  121°40′15.5″E Depth 10.2 meters   31°18′15.6″N  121°43′37.5″E Depth 9.5 meters   31°18′55.7″N  121°41′42.7″E and extend depth contour (10-meter) W to enclose Depth 9.9 meters enclosed by depth contour (10-meter) centered   31°18′48.0″N  121°43′17.7″E Depth 9.8 meters enclosed by depth contour (10-meter) centered   31°18′34.1″N  121°43′31.5″E (11(260)23 Tianjin; CHN CH 13179, 13181)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 08/04/12

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