Chart correction 20/23 — chart 93006

93006   3Ed.  03/15/08  LAST  NM  13/23  20/23 Substitute Depth 9.4 meters enclosed by depth contour (10-meter) for depth 18 meters   23°12.3′N  117°59.6′E (48(2090)18 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 03/15/08

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