《明史·志·卷六十》
杨一魁说： 黄蝈口一支从虞城、夏邑连接殇山、萧县、宿州到达宿迁，出于白洋河，一小支分流萧县两河口，出于徐州小浮桥，相距不到四十里。
一魁言： 黄堌口一支由虞城、夏邑接砀山、萧县、宿州至宿迁，出白洋河，一小支分萧县两河口，出徐州小浮桥，相距不满四十里。
Yang Yikui said: One branch of the Huang Guo Kou connects to Shan Mountain, Xiao County, Suzhou, and Suqian from Yucheng, Xiayi, the main stream comes from the Baiyang River. A smaller branch separates from Xiao County Erhekou, and comes out at XuZhou Xiao Fuqiao, the distance between them is not even forty miles.