Chart correction 2971 — chart 2580

Chart 2580 [ previous update 2853/25 ] NAD83 DATUM Insert GfFl.Y.4s 'A' 40° 53´·25N., 73° 39´·20W.

Source: UKHO Admiralty Notices to Mariners

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