Chart correction N50/21 — chart 94217

94217 7Ed. 08/04/12 LAST NM N44/21 N50/21 Add Depth 4.9 meters, blue tint, and enclosing depth contour (5-meter) centered 31°21′07.1″N 121°37′51.1″E Depth 7.7 meters 31°22′57.4″N 121°38′16.5″E (41(1425)21 Tianjin)

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

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