Chart correction N09/23 — chart 37121
37121 12Ed. 08/06/11 LAST NM N43/22 N09/23 Add Depth 37 meters Wk [K26] 51°05′08″N 1°39′58″E Depth 36 meters Wk [K26] 51°05′48″N 1°40′04″E Depth 26.5 meters Wk [K26] 50°56′28″N 1°06′17″E (49(29)22 Brest)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 08/06/11
Reference information — always verify against official Notices to Mariners before navigation.