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      <marc:subfield code="a">Hallam, R. L., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">An environmental assessment of the watershed adjacent to Hallmark Resources, Smithers, B.C. / </marc:subfield>
      <marc:subfield code="c">by R.L. Hallam, R.H. Kussat, M. Jones.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Vancouver, B.C. : </marc:subfield>
      <marc:subfield code="b">Environmental Protection Service, Pacific Region, </marc:subfield>
      <marc:subfield code="c">February, 1975.</marc:subfield>
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      <marc:subfield code="a">1 online resource (iv, 27 pages) : </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">"Environmental Protection Service report series."</marc:subfield>
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      <marc:subfield code="a">"Surveillance report"--Cover.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 25-27).</marc:subfield>
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      <marc:subfield code="a">"The Fulton River drainage system services the water requirements of a diversified local economy. Chapman and Fulton Lakes support a varied sport fishery and wildlife resource. The multi million dollar federal Fish enhancement installations at the mouth of the Fulton River are of paramount importance not only to the Babine area hut also to the Prince Rupert fishing industry. One of the mines on this watershed, Hallmark Resources Ltd. , has in the past posed a hazard to the aquatic biota. In July 1974 the Environmental Protection Service conducted a survey of the existing chemical, physical and biological parameters of Cronin Creek and its tributaries adjacent to the mine site to assess abatement measures instituted by the new management of the mine"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Kussat, R. H., </marc:subfield>
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      <marc:subfield code="a">Jones, M. </marc:subfield>
      <marc:subfield code="q">(Michael)</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="b">Pacific Region.</marc:subfield>
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      <marc:subfield code="a">Environmental Protection Service report series ;</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en42-1/En42-1-74-6-eng.pdf</marc:subfield>
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