| 11. | Co-ordinates, elevation and distances given according to a 1995-96 Bulgarian topographic survey.
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| 12. | More recently, in 2007, a topographic survey was carried out for the Heather and Hillforts Project.
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| 13. | The "'1st Topographic Survey Squadron "'is a unit of the Australian Army.
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| 14. | Shortly after Rockwell s death, his wife donated 36 volumes of topographic survey reports to the Oregon State Library.
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| 15. | Existing topographic survey maps, because of their comprehensive and encyclopedic coverage, form the basis for much derived topographic work.
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| 16. | The rock was mapped from a topographic survey of the region made from December 8, 1995 to February 8, 1996.
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| 17. | On December 8, three workers started a topographic survey of what would become Ault Field, about four miles to the north.
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| 18. | As part of the Heather and Hillforts Project a topographic survey was commissioned, which took place between December 2006 and January 2007.
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| 19. | Data from the topographic survey Tangra 2004 / 05 was used also in the 2008 Bulgarian map of Livingston, Greenwich, Smith Islands.
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| 20. | Each flyby would cover a different sector of Europa in order to achieve a medium-quality global topographic survey, including ice thickness.
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