Chart correction 22/23 — chart 509

509   (INT  509)   4Ed.  07/02/94  LAST  NM  36/22  22/23 Delete Depth 23 meters, blue tint, and enclosing depth contour (30-meter) in vicinity   34°04′N  123°44′E (KOR CH F2017) ★520  127Ed.  08/22/81  LAST  NM  18/23  22/23 Add Depth 711 fathoms “Rep” enclosed by dotted-line circle [I3.1] centered   30°40′N  118°41′W (NTM0002/2023)

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

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