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    <marc:controlfield tag="005">20210624231255</marc:controlfield>
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    <marc:controlfield tag="008">150407|2005||||xxc|||||o    f|0| 0 eng|d</marc:controlfield>
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      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Natural Resources Canada. </marc:subfield>
      <marc:subfield code="b">Office of Energy Efficiency.</marc:subfield>
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      <marc:subfield code="a">Benchmarking the energy consumption of Canadian underground bulk mines </marc:subfield>
      <marc:subfield code="h">[electronic resource]</marc:subfield>
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      <marc:subfield code="a">Ottawa - Ontario : </marc:subfield>
      <marc:subfield code="b">Natural Resources Canada. </marc:subfield>
      <marc:subfield code="c">2005.</marc:subfield>
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      <marc:subfield code="a">The catalogue number (M144-71/2005E) and ISBN (0-662-39539-5) for the print edition have been incorrectly copied in this electronic publication.</marc:subfield>
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      <marc:subfield code="a">The focus of this analysis is the mining and concentration operations of underground bulk mines of Mining Association of Canada (MAC) members. Eleven mining/milling operations participated in the project, and the sample specifically included the operations of both base metals and precious metals establishments.</marc:subfield>
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    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Analyse comparative de la consommation d'énergie des mines souterraines toutes teneurs du Canada </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.632538</marc:subfield>
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      <marc:subfield code="t">Benchmarking the energy consumption of Canadian underground bulk mines </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.649591</marc:subfield>
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    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="a">http://publications.gc.ca</marc:subfield>
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      <marc:subfield code="s">1070 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/Collection/M144-71-2005E.pdf</marc:subfield>
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