it is made up of stone. it is basicaly very strong. so it is called as kallanai.
kallanai dam
kallanai dam built by karikala chola
Kallanai(Grand anicut) dam
India Tamil Nadu(trichy) KALLANAI (2000 years old)...........
The first dam in India, the Kallanai Dam, was built across the Kaveri River in Tamil Nadu by the Chola king Karikala in the 2nd century CE.
one of the greatest engineering marvels of India. Kallanai dam in Tamil nadu The Grand Anaicut kallannai built by Karikalan Chola in the 2nd century A.D. to harness the waters of the river kaveri. Made of stone, the dam is 329 m long and 20m wide and still very much in use, Additions have been made in the form of a road bridge on top of the dam. This is a good picnic spot , this dam to divert flow to Kollidam, another branch and facilitated irrigation. This also brings to limelight the engineering marvel and the culture and civilization of yester years. This should be declared a heritage site. helps in the irrigation of 1,000,000 acres of agricultural land. It is the only oldest dam still in use by the government of Tamil Nadu, India. The Kallanai is a massive dam of unhewn stone, 1,080 feet long and 60 feet wide, across the main stream of the Kaveri.
Boulder dam was originaly named Hoover Dam.
Hoover is the one. Roosevelt changed the name of Boulder Dam to Hoover Dam.
When the dam was in its planning stages, in 1930, Herbert Hoover was President. It was then in 1930 that Secretary Ickes stated publicly that Hoover Dam was to be built, noting that naming a dam after a president was appropriate. In 1933, when Hoover was not re-elected, the name was reverted to Boulder Dam. It remained Bould Dam until 1947, when an act of Congress officially re-named the dam Hoover Dam.
Herbert Hoover - Boulder Dam in the Black Canyon on the Colorado River was renamed to Hoover Dam in his honor.
The Norris Dam is located in the State of Tennessee. The dam is a flood control and hydroelectric structure. The dam was named for George Norris who was a Nebraska Senator.
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