Chart correction N36/23 — chart 51146

51146   4Ed.  01/29/11  LAST  NM  N37/22  N36/23 Add Depth 9.3 meters Obstn [K41]   38°29′58.1″N  8°50′40.9″W (7(188)23 Lisboa) ★51342   4Ed.  6/11/16  CHART  CANCELED  N36/23 (NGA)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 01/29/11

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