Chart correction 4573 — chart 2483

Chart 2483 (Panel A, Approaches to Portsmouth Harbor) [ previous update 1189/26 ] NAD83 DATUM Insert GfFl.Y.4s 43° 02´·26N., 70° 42´·14W.

Source: UKHO Admiralty Notices to Mariners

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