Chart correction 3563 — chart 2921
Chart 2921 (Panel 2) [ previous update 3302/23 ] NAD83 DATUM Insert 12, Obstn 39° 05´·24N., 76° 23´·96W. 39° 04´·61N., 76° 24´·82W. 4+ Obstn 39° 01´·53N., 76° 23´·40W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.