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Located at river mile 187.4, the lock and dam was authorized by the 1930 and 1935 Rivers and Harbors Acts to facilitate commercial navigation on the upper reaches of the Savannah River. The structure was completed in 1937. The last commercial shipping to use the lock ceased in 1979 and the structure and upstream channel fell into disuse. [1]
Through the building of several locks and dams in the first half of the 20th century (such as the New Savannah Bluff Lock and Dam, completed in 1937 during the Great Depression), and upstream reservoirs like Lake Hartwell, the Savannah River was once navigable by freight barges between Augusta, Georgia (on the Fall Line) and the Atlantic Ocean ...
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Richard B. Russell Dam is a concrete-gravity and embankment dam located on the Savannah River at the border of South Carolina and Georgia, creating Richard B. Russell Lake. The dam was built by the U.S. Army Corps of Engineers between 1974 and 1985 for the purposes of flood control , hydroelectricity , recreation , additional stream flow ...
The dam consists of a concrete structure 682 feet (207.9 m) long with five roller gates and five tainter gates with an earth embankment 22,000 feet (6,705.6 m) long. Its concrete overflow spillway is 1,000 feet (304.8 m) long and its lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long.
New Savannah was located at 33°22'21"N, 81°56'45"W (NAD83/WGS84), at the mouth of Butler Creek about 14 river miles downstream of Augusta, Georgia. Aside from a nearby cemetery, nothing remains of the original site, which is located within New Savannah Bluff Lock and Dam Park.
It was constructed and placed in operation May 1935. The site underwent major rehabilitation from 1987 through 1998. The dam consists of concrete structure 1,619 feet (493.5 m) long with six roller gates and 28 tainter gates and an earth embankment 18,000 feet (5,486.4 m) long. The lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long.
Hartwell Dam is a concrete and embankment dam located on the Savannah River at the border of South Carolina and Georgia, creating Lake Hartwell. The dam was built by the U.S. Army Corps of Engineers between 1955 and 1962 for the purposes of flood control, hydropower and navigation. The concrete and earthen structure spans 15,840 feet (4,828 m).