Chart correction 20/23 — chart 550

550   7Ed.  02/09/85  LAST  NM  14/23  20/23 Substitute Depth 5 fathoms for depth 10 fathoms   23°12′N  118°00′E Note: Blue tint and depth contour (10-fathom) remain (48(2090)18 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 02/09/85

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