Chart correction 909 — chart 2483
Chart 2483 (Panel B, Portsmouth Harbor) [ previous update 145/24 ] NAD83 DATUM Move R, from: 43° 04´·738N., 70° 42´·385W. to: 43° 04´·737N., 70° 42´·519W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.