Chart correction N3/21 — chart 52147
52147 1Ed. 12/2/17 LAST NM N38/20 N3/21 Add Submarine pipeline (water) [L40.1] between 39°53′33.3″N 4°16′23.4″E 39°53′27.3″N 4°16′26.6″E (49(395)20 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 12/2/17
Reference information — always verify against official Notices to Mariners before navigation.