| 41. | The aerial surveys are not required, he said.
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| 42. | Archaeological evidence for these sites is thin and is mostly based on aerial surveys of crop marks.
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| 43. | Monteiro said the Tikrit inspection lasted the whole of Saturday and included an aerial survey by helicopter.
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| 44. | Photographed from the air by Falkland Islands and Dependencies Aerial Survey Expedition ( FIDASE ) in 1957.
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| 45. | One of its first government contracts was an aerial survey of New Mexico to study soil erosion.
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| 46. | Shah's comment was based on aerial surveys.
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| 47. | The annual state aerial survey counted 3, 261 manatees in 2001, up from 2, 222 in 2000.
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| 48. | Indian Navy helicopters were conducting aerial surveys, and navy divers were looking for more bodies or survivors.
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| 49. | These were modified by Derby Aviation at Derby ( Burnaston ) Airport for high altitude aerial survey.
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| 50. | Monteiro said the Tikrit inspection lasted the whole of Saturday, and included an aerial survey by helicopter.
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