Chart correction N21/22 — chart 37120
37120 4Ed. 09/19/15 LAST NM N18/22 N21/22 Delete Topmark from buoy 51°24.7′N 1°26.0′E Add Depth 1.8 meters 51°15.4′N 1°33.6′E Depth 20.9 meters Obstn [K41] 51°28.8′N 1°35.0′E (6(643), 8(800)21, 17(1523)22 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 09/19/15
Reference information — always verify against official Notices to Mariners before navigation.