China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 https://maps.cga.harvard.edu/tgaz/placename/hvd_82913 永寧縣 永宁县 Yongning Xian 县 縣 xian county 643 4 1126 4 POINT point N 34.38581 E 111.65340 FROM_AC 洛州 Luo Zhou 河南府 Henanfu CHGIS