| 41. | The dam site is located in the West Pench National Park Range, surrounded by forested hills.
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| 42. | The dam site is located 3 km upstream of the ruins of the old Ma'rib dam.
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| 43. | The dam site houses two power stations, one built in 1976 and another built in 1995.
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| 44. | The Portuguese side of the river around the dam site lies within the International Douro Natural Park.
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| 45. | Preliminary investigations for development at Ambuklao and Binga Dam sites were undertaken as early as January 1948.
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| 46. | The canyon affords many excellent dam sites.
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| 47. | The dam site contains archaeological remains which, under Israeli law, must be excavated before construction can begin.
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| 48. | Horses and mules were used to transport stone from the quarry to the dam site using carts.
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| 49. | Beavers use their forepaws to move mud and small stones from the stream bottom to the dam site.
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| 50. | Initial surveys of the Friant Dam site were carried out in November 1935 and continued through early 1936.
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