Chart correction 4135 — chart 2921

Chart 2921 (Panel 1) [ previous update 3715/23 ] NAD83 DATUM Insert 5+Obstn 38° 46´·60N., 76° 20´·73W. 6+Obstn 38° 43´·66N., 76° 21´·93W. 4+Obstn 38° 43´·51N., 76° 21´·44W. 6+Obstn (a) 38° 42´·20N., 76° 22´·34W. Delete depth, 12, close NE of: (a) above

Source: UKHO Admiralty Notices to Mariners

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