Chart correction N48/20 — chart 53104
53104 3Ed. 10/3/09 LAST NM N47/20 N48/20 Delete Depth contour (10-meter) between 44°23′54.5″N 8°54′24.4″E 44°23′53.7″N 8°54′25.7″E Depth contour (10-meter) between 44°24′14.4″N 8°52′33.7″E 44°24′13.9″N 8°52′34.4″E Depth contour (10-meter) between 44°24′12.7″N 8°52′31.5″E 44°24′13.4″N 8°52′34.2″E Substitute Depth 4.3 meters enclosed by depth contour (5-meter) for 7.1 meters 44°24′01.2″N 8°54′16.8″E Depth 9.3 meters for 9.8 meters 44°24′13.5″N 8°52′31.8″E Add Depth 7.2 meters 44°23′55.5″N 8°54′17.1″E Depth 4.2 meters enclosed by depth contour (5-meter) centered 44°23′48.4″N 8°54′55.8″E Depth contour (10-meter) joining 44°23′48.5″N 8°54′56.8″E 44°23′49.2″N 8°54′55.4″E 44°23′49.0″N 8°54′54.3″E 44°23′49.3″N 8°54′52.7″E 44°23′49.8″N 8°54′48.7″E 44°23′50.0″N 8°54′48.1″E 44°23′50.0″N 8°54′47.5″E 44°23′50.4″N 8°54′45.8″E 44°23′50.5″N 8°54′45.3″E 44°23′50.8″N 8°54′44.1″E 44°23′50.8″N 8°54′43.1″E 44°23′52.4″N 8°54′34.8″E 44°23′52.9″N 8°54′33.8″E 44°23′52.8″N 8°54′32.4″E 44°23′54.5″N 8°54′24.4″E Depth contour (10-meter) joining 44°24′12.7″N 8°52′31.5″E 44°24′11.8″N 8°52′32.4″E 44°24′11.5″N 8°52′34.1″E 44°24′10.7″N 8°52′35.9″E Depth contour (10-meter) joining 44°24′14.4″N 8°52′33.7″E 44°24′14.2″N 8°52′35.1″E 44°24′14.8″N 8°52′36.1″E 44°24′14.9″N 8°52′37.7″E 44°24′14.3″N 8°52′40.3″E 44°24′14.3″N 8°52′41.7″E 44°24′13.6″N 8°52′42.5″E 44°24′13.6″N 8°52′43.5″E 44°24′13.2″N 8°52′44.7″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.