China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 http://tgaz.fudan.edu.cn/tgaz/placename/hvd_88080 堂陽縣 堂阳县 Tangyang Xian 县 縣 xian county 0 0 0 0 POINT point N 37.52855 E 115.23875 FROM_FD 今河北新河县驻地西 信都郡 Xindu Jun CHGIS