Chart correction N20/20 — chart 44366
44366 2Ed. 1/30/16 LAST NM N12/20 N20/20 Add Depth 13.9 meters Obstn [K41] 60°35′34″N 28°31′42″E (26(3164)19 St. Petersburg)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 1/30/16
Reference information — always verify against official Notices to Mariners before navigation.