Chart correction 30/23 — chart 509

509   (INT  509)   4Ed.  07/02/94  LAST  NM  28/23  30/23 Delete Danger circle "Obst"   36°18′N  123°04′E Depth 31 meters and enclosing dotted-line circle in vicinity   31°45′N  125°26′E Danger circle "Obst"   35°31′N  122°05′E Substitute Depth 37 meters Wk [K26] for depth 20 meters, blue tint, and enclosing dotted line circle   31°46′N  125°07′E (23(1107)16, 38(1397)20 Tianjin; 45(646)08 Busan; 11(1356)08 Taunton)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 07/02/94

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