Brief Description of Ertan Hydroelectric Power Design
written by Chengdu Hydroelectric Power Survey and Design Institute, in Records of the Bureau of Reclamation, 1889 - 2008 (RG115). Case Files on Yangtze Gorge and Three Gorges Dam, China, 1943 - 1996 (NRG-115-05-088), of United States. National Archives and Records Administration. Federal Records (1981), Box 10, Folder 232872-0: Annex 1 - Ertan Project, U.S. Delegation to People's Republic of China , 191 page(s)
