Chart correction N21/23 — chart 14213
14213 3Ed. 03/15/19 LAST NM N51/21 N21/23 Delete Depth 8.8 meters 46°32′53.4″N 72°09′10.3″W Depth 14.1 meters 46°37′08.7″N 71°57′41.1″W Depth 6.4 meters 46°39′31.9″N 71°45′55.4″W Substitute Depth 7.1 meters for depth 8.2 meters 46°32′42.4″N 72°09′46.9″W Depth 6.4 meters for depth 7 meters 46°37′09.5″N 71°57′11.1″W Depth 16.7 meters Wk [K26] for depth 17.8 meters Wk 46°40′29.6″N 71°49′52.2″W Depth 7.9 meters for depth 8.5 meters 46°39′33.4″N 71°46′35.7″W Add Anchor berth "PL1" [N11.1] 46°40′35.0″N 71°50′28.0″W Anchor berth "PL2" [N11.1] 46°40′22.0″N 71°49′55.0″W Depth 1.4 meters 46°32′29.7″N 72°09′47.1″W Depth 7.6 meters 46°32′54.4″N 72°09′08.6″W Depth 5.9 meters 46°37′47.7″N 71°55′56.0″W Depth 6.5 meters 46°39′25.0″N 71°45′29.0″W Depth 5.8 meters 46°39′33.0″N 71°45′56.7″W Depth 12.7 meters 46°37′08.6″N 71°57′44.1″W Depth 4 meters enclosed by depth contour (5-meter) centered 46°39′30.8″N 71°45′43.8″W Depth 4.3 meters 46°32′34.3″N 72°10′00.0″W and extend depth contour (5-meter) SE to enclose Depth 10 meters 46°33′52.4″N 72°03′47.8″W and extend blue tint and depth contour (10-meter) N to enclose Depth 9.7 meters 46°39′30.7″N 71°46′14.3″W and extend blue tint and depth contour (10-meter) S to enclose Depth 9.4 meters 46°39′12.0″N 71°46′34.1″W and extend blue tint and depth contour (10-meter) N to enclose Depth 4.7 meters 46°39′30.3″N 71°45′18.6″W and extend depth contour (5-meter) S to enclose (2, 4/23 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 03/15/19
Reference information — always verify against official Notices to Mariners before navigation.