Chart correction 51/21 — chart 25644
★25644 16Ed. 10/01/19 LAST NM 44/19 51/21 (Inset) Substitute Depth 1 foot and enclosing depth contour (2-foot) for depth 20 feet 17°42′51.8″N 64°53′06.5″W (NOS)
Source: NGA U.S. Notice to Mariners · edition: 16Ed. 10/01/19
Reference information — always verify against official Notices to Mariners before navigation.