Chart correction N9/20 — chart 37121
37121 12Ed. 8/6/11 LAST NM N3/20 N9/20 Substitute Foul ground symbol [K31.1] for depth 6.6 meters Wk 51°04′49″N 1°12′30″E Add Depth 8.1 meters Wk [K26] 51°04′44″N 1°12′25″E (50(6023)10 Taunton; UKHO ARCS 1991-4)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 8/6/11
Reference information — always verify against official Notices to Mariners before navigation.