《水经注·卷二十三》
应韵说：场县东面有座场山，出产纹石，秦朝时设立了杨郡，这是以山来命名的，就是王莽时的节场县。
应劭曰：县有砀山，山在东，出文石，秦立砀郡，盖取山之名也，玉莽之节砀县也。
Yingyun said: There is a Zhangshan Mountain in the east of Zhangxian County, which produces patterned stones. During the Qin Dynasty, the Yang County was established, which was named after the mountain, and it was the Jiechang County during Wang Mang's reign.