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Named after the city's chief engineer, Julian Griggs, [1] [2] the dam was completed in 1905 at a cost of $700,000 and was the first major reservoir in the Columbus area. For 20 years, it served as the only reservoir serving the city of Columbus' drinking water needs. [3] Griggs Dam is a gravity dam with a 500-foot-long (150 m) curved concrete ...
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On February 23, 2004, the 770 ft (230 m) long, 1910 hydroelectric Embrey Dam was demolished, using 600 lb (270 kg) of explosives, by divers from an engineering detachment at Fort Eustis. [2] The aim of removal was to re-open miles of spawning grounds to aid populations of American Shad , herring, catadromous American eel, and other species. [ 3 ]
The nearly 8100 major dams in the United States in 2006. The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).
The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States. The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus . It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named).
Map of the Scioto River watershed. The Scioto River (/ s aɪ ˈ oʊ t ə / sy-OH-tə) is a river in central and southern Ohio more than 231 miles (372 km) in length. [4] It rises in Hardin County just north of Roundhead, Ohio, flows through Columbus, Ohio, where it collects its largest tributary, the Olentangy River, flows south into Appalachian Ohio, and meets the Ohio River at Portsmouth.
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Bridge view from south side of the James River. The T. Tyler Potterfield Memorial Bridge, also known as the VEPCO Levee Dam, and formerly the Brown's Island Dam Walk, crosses the James River in Richmond, Virginia connecting Brown's Island to the James River Parks System on the Manchester side of the river.