Showing 1 - 4 results of 4 for search 'Ball, D. F.' Refine Results
  1. 1
    Soils of Snowdon / by D.F. Ball, G. Mew and W.S,G. MacPhee.
    by Ball, D. F.
    Published 1969
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  2. 2
    The soils and land use of the district around Rhyl and Denbigh [Sheets 95 and 107] / by D.F. Ball.
    by Ball, D. F.
    Published 1960
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  3. 3
    The soils and land use of the district around Bangor and Beaumaris [Sheets 94 and 106] / by D.F. Ball.
    by Ball, D. F.
    Published 1963
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  4. 4
    Some aspects of technological economics / (by) D.F. Ball.
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