China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 https://chgis.hudci.org/tgaz/placename/hvd_82015 汝陽縣 汝阳县 Ruyang Xian 县 縣 xian county 25 4 605 4 POINT point N 33.59460 E 114.46083 FROM_FD
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汝南郡 Runan Jun 汝南郡 Runan Jun 汝阳郡 Ruyang Jun 汝南郡 Runan Jun 汝阳郡 Ruyang Jun 陈州 Chen Zhou
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