Chart correction N18/22 — chart 93721

93721 7Ed. 03/30/19 LAST NM N16/22 N18/22 Add Danger circle "Obstn" [K40] (PA) 22°27′30″N 113°49′17″E Danger circle "Obstn" [K40] (PA) 22°28′02″N 113°49′01″E Danger circle "Obstn" [K40] (PA) 22°28′58″N 113°48′53″E Danger circle "Obstn" [K40] (PA) 22°30′15″N 113°48′52″E (10(295)22 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 03/30/19

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