| 31. | Surveying the antenna of the control centre's radio telescope.
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| 32. | In 1857 he led surveying expeditions to determine the Kansas border.
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| 33. | The surveying of western Canada was divided into five basic surveys.
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| 34. | His research was broad and included astronomy, mathematics and surveying.
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| 35. | It was intended to symbolize the triangulation method used in surveying.
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| 36. | This division allows surveying and mapping of the land at risk.
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| 37. | Detailed surveying of the Trondhjem St�ren Line started in September 1858.
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| 38. | However, it was Drummond who realised their value in surveying.
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| 39. | Aveeare's ship crashed while surveying Snarf's homeworld.
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| 40. | First introduced in 1833, covered Technical Surveying and Military Topography.
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