Chart correction N15/20 — chart 52140
52140 7Ed. 8/31/13 LAST NM N9/20 N15/20 Substitute Depth 57 meters Wk [K26] for wreck 39°25.4′N 2°37.1′E Depth 58 meters Wk [K26] for wreck 39°25.5′N 2°37.5′E Add Depth 43 meters Wk [K26] 39°29.2′N 2°37.1′E (50(401)19 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 8/31/13
Reference information — always verify against official Notices to Mariners before navigation.