Chart correction 24/20 — chart 97120
97120 6Ed. 8/9/97 LAST NM 23/20 24/20 Substitute Depth 11.7 meters “Rep (2016)” enclosed by dotted-line circle [I3.2] with bottom characteristic “R” [J9.1] for 15.2 meters 35°08.9′N 139°48.6′E Add V-AIS, ball topmark [S18.5] 35°10.4′N 139°45.9′E (JPN CH W1062)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 8/9/97
Reference information — always verify against official Notices to Mariners before navigation.