Chart correction N20/22 — chart 94123
94123 10Ed. 04/30/11 LAST NM N18/22 N20/22 Add Purple composite line (anchoring prohibited area limit) [N20] joining 25°40′26″N 121°22′15″E 25°38′10″N 121°23′08″E 25°37′44″N 121°23′08″E 25°37′47″N 121°24′22″E 25°38′13″N 121°24′23″E 25°40′26″N 121°23′32″E Note: Area extends beyond chart border (8(207)22 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 04/30/11
Reference information — always verify against official Notices to Mariners before navigation.