Chart correction 3557 — chart 2427

Chart 2427 [ previous update 2280/24 ] NAD83 DATUM Insert depth, 13, with seabed type, R (a) 42° 31´·55N., 70° 46´·36W. Delete depth, 24, close NE of: (a) above

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.