Chart correction N22/20 — chart 94217

94217 7Ed. 8/4/12 LAST NM N21/20 N22/20 Delete Depth 8.1 meters 31°19′10.5″N 121°44′29.1″E Dangerous wreck (PA) 31°21′18.3″N 121°47′52.9″E Depth 8.9 meters and enclosing depth contour (10-meter) in vicinity 31°17′13.6″N 121°48′20.3″E (See N36/18, N20/20) Substitute Depth 8 meters for 9.9 meters 31°21′36.9″N 121°47′49.1″E Depth 3.8 meters for 4.1 meters 31°18′37.9″N 121°48′08.5″E Add Depth 2.9 meters 31°19′16.1″N 121°48′00.9″E Depth 9.4 meters 31°19′24.2″N 121°43′52.5″E and extend depth contour (10-meter) SW to enclose Depth 9.4 meters enclosed by depth contour (10-meter) centered 31°19′28.7″N 121°47′38.5″E Depth 8.9 meters enclosed by depth contour (10-meter) centered 31°19′38.5″N 121°47′48.5″E Stranded wreck [K24] 31°21′14.4″N 121°47′55.2″E (22(711)19, 15(482)20 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 8/4/12

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