| 11. | McLaughlin said . " The sonar and the hydrographic surveys have been completed.
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| 12. | Each of the winches serves a specialized function ranging from trawling to hydrographic surveys.
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| 13. | William Henry Smyth used " Scylla " for hydrographic survey work in the Mediterranean.
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| 14. | It specializes in Hydrographic Survey, Mine Counter Measures, and diving.
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| 15. | "Whiting "'s survey department approached the project as it would any typical hydrographic survey.
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| 16. | Since 1998 oceanographic and hydrographic survey is now conducted by the Canadian Coast Guard.
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| 17. | She was assigned to the Commander, Hydrographic Survey, to operate in the Persian Gulf.
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| 18. | In 1788, he conducted a hydrographic survey of the coasts of the English Channel;
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| 19. | In early 1943, HMA Ships and were modified to serve as hydrographic survey ships.
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| 20. | Surveyed by the British Naval Hydrographic Survey Unit in 1956-57.
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