Chart correction N21/23 — chart 14195
14195 2Ed. 12/26/14 LAST NM N25/21 N21/23 (Inset) Add Buoy "DV10/2" R, spar, Fl R 4s 45°14′55.1″N 74°09′51.5″W (3/23 Ottawa; CAN LL)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 12/26/14
Reference information — always verify against official Notices to Mariners before navigation.