Chart correction 4977 — chart 2456

Chart 2456 [ previous update 5583/24 ] NAD83 DATUM Insert depth, 03, with seabed type, R, and extend 1fm contour W to enclose (a) 41° 36´·98N., 70° 18´·74W. Delete depth, 1, close E of: (a) above Insert depth, 13, with seabed type, R (b) 41° 36´·52N., 70° 15´·23W. Delete depth, 22, close E of: (b) above Wk01/25 II 2.20 73 UNITED STATES OF AMERICA - East Coast - Depths. Danger lines. Rocks. (continued)

Source: UKHO Admiralty Notices to Mariners

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