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      <marc:subfield code="a">McNeill, Roger, </marc:subfield>
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      <marc:subfield code="a">Water use optimization model : </marc:subfield>
      <marc:subfield code="b">working paper number one / </marc:subfield>
      <marc:subfield code="c">prepared by: R. McNeill.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Water consumption</marc:subfield>
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      <marc:subfield code="a">Watershed management</marc:subfield>
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      <marc:subfield code="x">Modèles mathématiques.</marc:subfield>
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      <marc:subfield code="x">Modèles mathématiques.</marc:subfield>
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      <marc:subfield code="a">Bassins hydrographiques</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Conservation Service, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.73 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/eccc/en37/En37-401-1983-eng.pdf</marc:subfield>
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