Chart correction 3756 — chart 2483
Chart 2483 (Panel B, Portsmouth Harbor) [ previous update 1920/23 ] NAD83 DATUM Insert R (a) 43° 04´·738N., 70° 42´·385W. Delete depth, 24, close SE of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.