| 41. | Penstocks are also used in mine tailings dam construction.
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| 42. | As chief engineer he was involved in dam construction.
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| 43. | Work commenced on the dams construction on 16 July 1901 and completed in July 1912.
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| 44. | However environmental concerns towards large reservoirs has halted large dam construction since the late 1980s.
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| 45. | The local effects of dam construction were limited to those of the Libby Dam in Montana.
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| 46. | It is threatened by dam construction and overgrazing.
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| 47. | The dam construction was started in 1939 and a small hydroelectric plant was operated in 1942.
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| 48. | She has carried out part of the analysis in Algeria at the Athmania Dam Construction Site.
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| 49. | Today's activists are protesting a long list of issues from ending the death penalty to halting dam construction.
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| 50. | Dam construction began in October, 1958.
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