Chart correction N08/22 — chart 94218
94218 6Ed. 08/11/12 LAST NM N40/21 N08/22 Delete Depth 6.2 meters and enclosing dotted-line circle in vicinity 31°25′38.6″N 121°29′21.6″E Add Depth 6 meters enclosed by dotted-line circle [I4] centered 31°25′38.8″N 121°29′21.1″E (1(3)22 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 08/11/12
Reference information — always verify against official Notices to Mariners before navigation.