Chart correction N2/20 — chart 42762
42762 4Ed. 3/5/11 LAST NM N51/19 N2/20 Add Depth 30 meters Wk [K26] 69°16′47″N 33°23′20″E (Plan) Add Depth 30 meters Wk [K26] 69°16′47″N 33°23′20″E Buoy (mooring) [Q40] 69°05′13″N 33°17′48″E (44(5618)10, 18(2132)17 St. Petersburg)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 3/5/11
Reference information — always verify against official Notices to Mariners before navigation.