Chart correction 12/21 — chart 73580

73580 4Ed. 6/14/97 LAST NM 48/19 12/21 Delete Depth 35 meters 9°32′58″S 147°12′02″E Substitute Depth 15.5 meters for 17.4 meters 9°30′08″S 147°09′08″E Depth 2.4 meters for 3.6 meters 9°31′10″S 147°07′58″E Depth 15 meters for 16.4 meters 9°30′12″S 147°10′04″E Depth 13.4 meters for 19.8 meters 9°32′23″S 147°09′06″E Depth 26 meters for 27 meters 9°32′08″S 147°10′52″E Add Depth 23 meters 9°31′19″S 147°09′58″E and extend depth contour (30-meter) S to enclose Depth 29.4 meters 9°32′45″S 147°11′50″E and extend depth contour (30-meter) N to enclose (AUS CH PNG621) NM 12/21 SECTION I I-1.8

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 6/14/97

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