Chart correction N37/20 — chart 94218

94218 6Ed. 8/11/12 LAST NM N31/20 N37/20 Substitute Depth 3 meters for 2.5 meters 31°24′56.7″N 121°32′33.2″E (See N36/18) (27(1001)20 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 8/11/12

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