| 31. | The wooded areas have been naturally colonised, with the main trees being silver birch, sycamore and ash.
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| 32. | At the elbow, Silver Birch began to labour and Slim Pickings fought back, with McKelvey finishing best.
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| 33. | The woodland canopy is mainly oak and silver birch with a shrub layer of hornbeam and hazel.
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| 34. | The silver birch is Finland's national tree.
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| 35. | More recent winners of both the Welsh and the Aintree Grand National are Bindaree and Silver Birch.
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| 36. | One cold night, he led fellow liberation fighters on a training exercise through a forest of silver birches.
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| 37. | In 2007 and 2008, O'Brien rode McKelvey in the Grand National, coming second to Silver Birch in 2007.
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| 38. | The first Forest of Reading Awards program, the Silver Birch Awards program, was up and running by 1994.
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| 39. | It was recorded under silver birch ( " Betula pendula " ) in Manjimup, Western Australia in 2010.
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| 40. | To protect the city against future fires, it was decided to plant silver birch trees all over the city.
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