Reference
Refference book:

Huangyuan county journal-------- culture bureau
Dangeer history story---------renyugui, liguoquan editor
Sun and moon ---------- the editor department <sun and moon> of huangyuan county committee
 

web：

http://www.qhhy.gov.cn/pd/sc.htm

http://www.vtchina.com/index.aspx

http://www.qhnews.com/zhenwu/system/2006/10/26/000015253.shtml

http://www.xining.gov.cn

http://www.tianshannet.com.cn/travel/content/2008-01/04/content_2378333.htm