Chart correction N46/21 — chart 14211
14211 3Ed. 05/10/19 LAST NM N14/21 N46/21 Substitute Depth 13.2 meters for depth 14.9 meters 46°16′54.4″N 72°37′26.5″W Add Light Fl R to buoy "S58" 46°12′48.7″N 72°49′07.9″W (9/21 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 05/10/19
Reference information — always verify against official Notices to Mariners before navigation.