Chart correction 1740 — chart 1227
Chart 1227 [ previous update 4953/24 ] NAD83 DATUM Insert circular limit of spoil ground, radius 0·8M, pecked line, centred on: (a) 43° 01´·14N., 70° 27´·00W. legend, Spoil Ground, within: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.