| 31. | The ice sheet which stopped near Finchley deposited Boulder clay to form Dollis Hill and Hanger Hill.
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| 32. | The Wirral peninsula is formed of Triassic Keuper and Bunter sandstones covered by glacially deposited boulder clay.
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| 33. | The Magnesian Limestone and overlying boulder clay of coastal Durham by streams flowing into the North Sea.
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| 34. | It is the only known example of grassland on chalky boulder clay in north-west Essex.
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| 35. | The carse typically offers good agricultural land, however underlying the topsoil and alluvium is glacial boulder clay.
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| 36. | Finally, the carse is actually raised tidal flat deposits, with a base of glacial boulder clay.
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| 37. | They found them in the boulder clay at the foot of Hartshill Ridge, near the River Anker.
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| 38. | Moving west along the escarpment, a glacial surface drift of boulder clay begins to overlay the whinstone.
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| 39. | This site has one of the last surviving areas of ash and maple woodland on chalky boulder clay.
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| 40. | The tunnel was driven through boulder clay and formed by a base course of stone supporting a brick arch.
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