China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 https://maps.cga.harvard.edu/tgaz/placename/hvd_111671 劍南東川節度使 剑南东川节度使 Jiannandongchuan Jiedushi 防镇 防鎮 fang zhen defense command 766 4 907 4 POINT point N 31.09462 E 105.08757 唐 Tang 五代前蜀 Wudaiqianshu CHGIS