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We have had a bunch of Dam failures!. 1972- Buffalo Creek Dam, West Virginia-125 dead, $400 million in damages 1976- Teton Dam, Idaho-14 dead, over $1 billion in damages 1977- Laurel Run Dam, Pennsylvania-40 dead, $5.3 million in damages
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We have had a bunch of Dam failures! 1972- Buffalo Creek Dam, West Virginia-125 dead, $400 million in damages 1976- Teton Dam, Idaho-14 dead, over $1 billion in damages 1977- Laurel Run Dam, Pennsylvania-40 dead, $5.3 million in damages 1977- Kelly Barnes Dam, Georgia-39 dead, $30 million in damages 1982- Lawn Lake Dam, Colorado-3 dead, $25 million in damages 1989- Quail Creek Dam, Utah-no deaths, $12 million in damages
Hoover/Boulder Dam Completed 1936
For what purposes are dams constructed? Provide a measure of flood control Provide a source of water for towns and cities Provide a source for generating electricity Provide a recreation area What is the “life expectancy” of a Dam/Reservoir?
Eroded Anticline Quail Lake Photo courtesy of Paul Furr (from our class).
TrCp = Chinle Petrified Forest Member TrCs = ChinleShinarump Member TrMu = Moenkopi Upper TrMs =Moenkopi Shnabkaib Member GYPSUM TrMm = Moenkopi Middle TrMv = Virgin Limestone Member TrMl = Moenkopi Lower Pk = Kaibab Ls. Pt =Toroweap Ss. Pq =Queantoweap Ss. Gypsum (CaSO4) (soft and dissolves in water)
Quail Creek Dam and Reservoir Earth fill Dam Completed 1984 Failure 12:30 am, January 1, 1989
Geological Road Guide To Quail Creek State Park Utahgeology.org Utah Geological Publication #29