Chart correction N40/21 — chart 94217

94217 7Ed. 8/4/12 LAST NM N22/21 N40/21 Delete Depth 3.7 meters 31°24′38.8″N 121°34′32.1″E (See N51/20) Add Depth 7.9 meters 31°21′48.0″N 121°36′35.0″E Depth 9.5 meters 31°21′36.4″N 121°37′12.3″E and extend depth contour (10-meter) NE to enclose Anchoring prohibited symbol [N20] 31°22′12.6″N 121°47′03.2″E (29(1013), 31(1087)21 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 8/4/12

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