Chart correction N04/22 — chart 37401
37401 10Ed. 03/11/17 LAST NM N50/21 N04/22 Delete Depth 17.8 meters 46°09′12″N 1°36′03″W Depth 17.9 meters 46°09′01″N 1°35′09″W Depth 13 meters 46°10′23″N 1°33′13″W Depth 2.2 meters 46°12′02″N 1°33′41″W Buoy 46°06′19″N 1°35′11″W Add Anchorage symbol [N10] 46°01′25″N 1°13′38″W Depth 17.1 meters 46°09′11″N 1°35′46″W Depth 1.3 meters 46°12′05″N 1°33′44″W Depth 11.9 meters 46°10′27″N 1°33′06″W (49(56)21 Brest)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 03/11/17
Reference information — always verify against official Notices to Mariners before navigation.