Chart correction 1490 — chart 4937
Chart 4937 [ previous update New Edition 05/01/2023 ] NAD83 DATUM Insert the accompanying block A, centred on: 54° 12´ 58"N., 130° 17´ 32"W. the accompanying block B, centred on: 54° 20´ 40"N., 130° 22´ 34"W. out of position depth, 56, and extend 10m contour SW to enclose 54° 11´ 34·3"N., 130° 14´ 36·3"W. depth, 25 (a) 54° 11´ 37·0"N., 130° 14´ 10·9"W. Delete depth, 34, close NW of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.