Chart correction 06 70 — chart 7650

16 06 70. PORTUGAL (Côte Ouest). Rio Douro. — Signal de brume. (Lisboa, 15-266). — Carte 7650 (3) Rayer ™ a Siren(2)30s 41 08,8 N 008 40,6 W INT 1871 cartouche A Rayer ™ a Siren(2)30s 41 08,80 N 008 40,64 W

Source: Service Hydrographique et Océanographique de la Marine · edition: 3

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