Chart correction N31/20 — chart 44366
44366 2Ed. 1/30/16 LAST NM N20/20 N31/20 Delete Anchorage symbol 60°30′52″N 28°09′44″E Add Submarine pipeline (water) [L41.1] between 60°31′16″N 28°07′00″E 60°30′55″N 28°07′00″E Anchorage symbol [N10] 60°31′00″N 28°09′44″E Depth 8.7 meters Obstn [K41] 60°31′50″N 28°10′10″E Depth 8.2 meters Obstn [K41] 60°31′55″N 28°10′04″E Depth 12 meters R [K14.1] 60°30′45″N 28°10′57″E Depth 11 meters R [K14.1] 60°30′35″N 28°11′36″E Depth 10.9 meters R [K14.1] 60°30′53″N 28°10′56″E Depth 9.2 meters R [K14.2] 60°30′39″N 28°11′18″E (22(2128)20 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.