Chart correction N26/20 — chart 94217
94217 7Ed. 8/4/12 LAST NM N25/20 N26/20 Change Designation of buoy “D37” to “37” 31°16′28.1″N 121°51′12.6″E Designation of buoy “D38” to “38” 31°16′42.2″N 121°49′46.8″E Designation of buoy “D39” to “39” 31°17′10.9″N 121°49′16.2″E (6(214)18 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 8/4/12
Reference information — always verify against official Notices to Mariners before navigation.