China City Walls of Hebei and Shandong

The 1904-07 Prussian maps show the footprints of settlements including the outlines of city walls. Small areas around each capital in the ChinaW file were clipped from the georeferenced maps. Filenames contain the ChinaW ID number for each city.1904—1907年的普鲁士地图（Prussian maps）清晰呈现了各定居点的分布范围，其中涵盖城市城墙的轮廓线。ChinaW文件（ChinaW file）收录的各个首府城市周边的小片区域，均从经地理配准的地图（georeferenced maps）中裁切获取。各城市的ChinaW编号均内嵌于对应的文件名中。