Chart correction N47/20 — chart 53104
53104 3Ed. 10/3/09 LAST NM N46/20 N47/20 Delete Depth 8.2 meters and enclosing depth contour (10-meter) in vicinity 44°24′10.0″N 8°52′40.4″E Add Depth 3.3 meters enclosed by depth contour (5-meter) centered 44°24′10.8″N 8°52′38.7″E Depth 2.6 meters enclosed by depth contour (5-meter) centered 44°23′47.4″N 8°55′02.5″E (17(3), 18(1)20 Genova)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 10/3/09
Reference information — always verify against official Notices to Mariners before navigation.