| 21. | In fact SOD was discovered in Southern Oregon through aerial survey work in 2001.
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| 22. | The volcano was discovered during an aerial survey in 1946.
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| 23. | We are also serving our community by helping our scientists in aerial survey work.
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| 24. | They have also carried out an aerial survey of the al-Taji area north of Baghdad.
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| 25. | The United States Geological Survey conducted multiple aerial surveys of landmasses specifically vulnerable to hurricanes.
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| 26. | The railway's route was chosen after two aerial surveys and comparisons of numerous possible alternatives.
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| 27. | The 125 mile-high views collected here come from the never-before-published archives of Fairchild Aerial Surveys.
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| 28. | He went on to fly a lot of aerial survey work in the postwar years.
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| 29. | An aerial survey would be conducted to determine areas where the canals would be built.
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| 30. | This scale was modelled off 408 Fairchild Aerial Surveys.
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