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61
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62
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63Published 1993Subjects “...Groundwater England Birmingham....”
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64Published 1994Subjects “...Science England History....”
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65
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66
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67
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68by Davies, G. M. (George MacDonald), b. 1885Subjects “...Geology England London....”
Published 1939
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69
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70
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71
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72
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73
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74
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75
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76
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77
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78
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79
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80