Flash floods wreak havoc on Rapid City, Keystone, Rockerville, and Sturgis - takes 238 lives [Stymiest, Ruth Anne. "Centennial: An Illustrated History, 1885-1985". 1985, pg. 130] Campus losses include two faculty members, Herbert Weisz, professor of mining engineering and Dr. Lowell Dieter, associate professor of chemistry [Stymiest, Ruth Anne. "Centennial: An Illustrated History, 1885-1985". 1985, pg. 130] Structures damaged include Mineral Industries Building, Devereaux Library, O'Harra Stadium and Physical Plant's garage, several vehicles and three boilers - monetary damages totaled some $1.25 million [Stymiest, Ruth Anne. "Centennial: An Illustrated History, 1885-1985". 1985, pg. 130] Devereaux Library loses entire periodical collection (estimated at 20,000 volumes) as well as most of the school's audio visual materials to eight feet of water in the basement [Stymiest, Ruth Anne. "Centennial: An Illustrated History, 1885-1985"...