Chart correction N37/20 — chart 17458

17458 2Ed. 9/23/16 LAST NM N36/20 N37/20 Substitute Depth 1 1/2 fathoms for 4 3/4 fathoms 51°57′28″N 127°53′17″W (11/19 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 9/23/16

Reference information — always verify against official Notices to Mariners before navigation.