China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 http://tgaz.fudan.edu.cn/tgaz/placename/hvd_115168 定陽郡 定阳郡 Dingyang Jun 郡 郡 jun commandery 471 3 597 3 POINT point N 36.04517 E 110.16488 定阳县 Dingyang Xian 平昌县 Pingchang Xian 斤城县 Jincheng Xian 昌宁县 Changning Xian 蒲子县 Puzi Xian CHGIS