Chart correction 1491 — chart 2456

Chart 2456 [ previous update 1116/23 ] NAD83 DATUM Insert GfFl(5)Y.20s ’B’ 40° 57´·09N., 70° 22´·56W.

Source: UKHO Admiralty Notices to Mariners

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