《徐霞客游记·楚游日记十四》
再进去，小船还可溯流航行三日，然后翻过高脚岭就是通往茶陵州的路了。
又进，则小舟尚可溯流三日程，逾高脚岭则茶陵道矣。
Going further, small boats could still sail upstream for three days. Then, we could pass through Gaojiaoling and that would be the way to Chaling Prefecture.