Chart correction N38/20 — chart 94427
94427 2Ed. 6/23/90 LAST NM N37/20 N38/20 (Panel C) Add Pilot station symbol “No 1” [T1.2] 37°30′30.0″N 122°17′45.0″E (23(810)20 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 6/23/90
Reference information — always verify against official Notices to Mariners before navigation.