Chart correction N42/22 — chart 22341

22341 10Ed. 05/06/17 LAST NM N16/22 N42/22 Substitute Beacon BRB, double ball topmark [Q130.4] for beacon 42°35.7′S 73°19.5′W (9(66)22 Valparaiso)

Source: NGA U.S. Notice to Mariners · edition: 10Ed. 05/06/17

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