Chart correction N40/23 — chart 75165
75165 4Ed. 05/28/21 LAST NM N34/23 N40/23 Delete Depth 19.2 meters 38°07.09′S 145°01.07′E Depth 21.1 meters 38°05.97′S 145°00.03′E Depth contour (20-meter) between 38°05.01′S 144°59.07′E 38°09.58′S 144°59.38′E Add Depth 18.9 meters 38°06.72′S 145°00.29′E Depth contour (20-meter) joining 38°05.01′S 144°59.07′E 38°05.81′S 144°59.02′E 38°06.56′S 144°58.37′E 38°08.32′S 144°59.37′E 38°09.58′S 144°59.38′E (19(803)23 Wollongong)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 05/28/21
Reference information — always verify against official Notices to Mariners before navigation.