《宋史·本纪·卷二十》
崇宁四年春正月初一，改熙河兰会路为熙河兰惶路。十七日，修筑溪哥城。
○徽宗二四年春正月庚午朔，改熙河兰会路为熙河兰湟路。丙戌，筑溪哥城。
In the spring of the first year of the Chongning era, on the 1st of the first month, the Xihe Lan Hui Circuit was renamed the Xihe Lan Huang Circuit. On the 17th, the Xige City was constructed.