Chart correction N40/23 — chart 51168

51168   3Ed.  11/19/16  LAST  NM  N12/23  N40/23 Change Shape of buoy to pillar   36°17′55″N  6°13′12″W Shape of buoy to pillar   36°17′33″N  6°12′40″W Shape of buoy to pillar   36°17′11″N  6°13′03″W Shape of buoy to pillar   36°17′33″N  6°13′35″W (37(340)23 Cadiz)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 11/19/16

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