| 21. | As a result, the world-famous St . Mark's Square stands just 2 inches above the normal high-tide level.
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| 22. | Ownership of Aboriginal land adjoining marine waters in the Northern Territory generally extends to the low tide level.
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| 23. | Average tide level limits their height.
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| 24. | It is found shallowly buried in fine sand, and muddy sand, beaches at and below low tide level.
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| 25. | It is usually found on the edge of forests, but also at the high tide level close to mangroves.
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| 26. | The shoreline consists of generally steep storm beaches of pebbles, although fine sand is visible at low tide levels.
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| 27. | Such tides can exceed normal levels by more than, with the highest tide level of observed on 4 November 1966.
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| 28. | The maximum elevation on the island is no more than 10 feet ( 3 metres ) above the high tide level.
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| 29. | Hardgrounds are hard crusts of carbonate material that form on the bottom of the ocean floor, below the lowest tide level.
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| 30. | They allowed to known the direction of tidal currents, and to calculate tide level depending on the phase of the moon.
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