《徐霞客游记·滇游日记十五》
于是顺西山往北走，五里，渐渐转向西走，这里分出两条岔路：往东北随水流沿大山坞直走的，是从牛井街通往浪沧卫的路；往西北顺小山坞翻越岭的，是从江果去鸡足山的路。
仍循西山北行，五里，渐转而西，于是岐分为二：东北随流遵大坞直去者，由牛井街通浪沧卫道；西北从小坞逾岭者，由江果往鸡足道。
So we walked north along the west mountain for five miles, gradually turning west. Here the road splits into two forks: the one to the northeast follows the watercourse along the large mountain valley straight ahead, and the one to the northwest climbs a mountain pass along a small valley, and goes from Jiangguo to Jizu Mountain.