Chart correction N18/23 — chart 52121

52121  10Ed.  02/03/18  LAST  NM  N17/23  N18/23 Delete Submarine pipeline between   41°07′43″N  1°18′15″E   41°07′20″N  1°18′20″E Add Submarine pipeline [L41.1] between   41°07′43″N  1°18′15″E   41°07′22″N  1°18′14″E Submarine pipeline [L41.1] between   41°07′00″N  1°16′43″E   41°06′50″N  1°16′52″E Bottom characteristic "M" [J2]   41°00′46″N  1°22′11″E (13(108)23 Cadiz)

Source: NGA U.S. Notice to Mariners · edition: 10Ed. 02/03/18

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