China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 https://chgis.hudci.org/tgaz/placename/hvd_45954 永清縣 永清县 Yongqing Xian 县 縣 xian county 562 4 967 4 POINT point N 31.94657 E 111.00284 FROM_FD
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迁州 Qian Zhou 房州 Fang Zhou 房陵郡 Fangling Jun 迁州 Qian Zhou 房州 Fang Zhou 房陵郡 Fangling Jun 房州 Fang Zhou
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CHGIS