Chart correction 4236 — chart 1528
Chart 1528 [ previous update 4059/26 ] NAD83 DATUM Delete GfFl.Y.2s 'B' 42° 20´·509N., 71° 01´·919W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.