Chart correction N25/20 — chart 14214
14214 3Ed. 5/24/19 LAST NM N14/20 N25/20 Change Shape of buoy “Q48” to spar 46°38′26.5″N 71°42′48.4″W Shape of buoy “Q19” to spar 46°42′41.2″N 71°26′41.8″W (3/20 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 5/24/19
Reference information — always verify against official Notices to Mariners before navigation.