| 21. | Behind the shield there is a stylized nautical chart.
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| 22. | The control tower is still shown on nautical charts.
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| 23. | In recent years, the name of the island appears on nautical charts as Casco Bay Island.
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| 24. | His grave is still marked on nautical charts.
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| 25. | His nautical charts are among the earliest to map the Mediterraean and Black Sea regions accurately.
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| 26. | This was the first nautical chart known to have been completely revised using the Landsat imagery.
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| 27. | The standard British plate camera could be carried, usually used for surveys to prepare nautical charts.
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| 28. | Unlike many other nautical charts, the Catalan Atlas is read with the north at the bottom.
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| 29. | He helped correct nautical charts for Pacific navigation.
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| 30. | Cook Strait's nautical chart offers tidal current information.
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