Chart correction 1474 — chart 2483

Chart 2483 (Panel B, Portsmouth Harbor) [ previous update 3728/22 ] NAD83 DATUM Insert DdFl.R.2·5s ’4’ (a) 43° 04´·664N., 70° 42´·305W. Delete Dd’4’, close NW of: (a) above

Source: UKHO Admiralty Notices to Mariners

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