Chart correction N18/20 — chart 25018
25018 9Ed. 7/28/01 LAST NM N17/20 N18/20 Delete Depth 10 fathoms 4 feet, blue tint and enclosing dotted-line circle centered 18°29.8′N 64°14.9′W Add Depth 7 fathoms 2 feet 18°29.5′N 64°15.6′W and extend depth contour (10-fathom) and blue tint E to enclose (9(1039)20 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 7/28/01
Reference information — always verify against official Notices to Mariners before navigation.