Gjennomsnittlig GPS-koordinater for postnummer 301901: 39.995, 117.261
Notering byer:
>> Baijian Township/白涧乡等 301901, Tianjin/天津, Ji County/蓟县, GPS-koordinater: 39.99459,117.26081
Notering byer:
>> Baijian Township/白涧乡等 301901, Tianjin/天津, Ji County/蓟县, GPS-koordinater: 39.99459,117.26081