Chart correction 340 — chart 2427
Chart 2427 [ previous update 3557/25 ] NAD83 DATUM Move GdFl.R.4s "16" , from: 42° 32´·24N., 70° 51´·12W. to: 42° 32´·25N., 70° 51´·15W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.