Chart correction N23/21 — chart 62404
62404 5Ed. 3/31/18 LAST NM N10/21 N23/21 Substitute Depth 8.4 meters for 9.4 meters 24°17′50″N 52°40′28″E (See N9/21) Add Depth 9.1 meters 24°08′08″N 52°45′06″E Depth 4.9 meters enclosed by depth contour (5-meter) centered 24°17′13″N 52°44′31″E (9(892), 10(998)21 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 3/31/18
Reference information — always verify against official Notices to Mariners before navigation.