Chart correction 40/21 — chart 74220

74220 8Ed. 3/7/98 LAST NM 49/19 40/21 Add Depth 16.1 meters, blue tint, and enclosing depth contour (20-meter) centered 22°11.6′S 150°23.9′E Depth 13.5 meters, blue tint, and enclosing depth contour (20-meter) centered 22°03.6′S 150°20.6′E Depth 17.9 meters, blue tint, and enclosing depth contour (20-meter) centered 22°01.4′S 150°14.6′E Depth 19.6 meters, blue tint, and enclosing depth contour (20-meter) centered 22°03.2′S 150°18.6′E Depth 18.9 meters, blue tint, and enclosing depth contour (20-meter) centered 22°00.7′S 150°13.6′E Depth 12.7 meters 22°01.4′S 150°16.8′E Depth 15.1 meters 22°01.4′S 150°16.3′E and extend blue tint and depth contour (20-meter) NW to enclose (17(730)21 Wollongong)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 3/7/98

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