<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.931535</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250212072249</marc:controlfield>
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    <marc:controlfield tag="007">cr |n|||||||||</marc:controlfield>
    <marc:controlfield tag="008">230913e198706##nscab   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
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      <marc:subfield code="a">n-cn-ns</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En14-541/1987E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Parker, W. R.</marc:subfield>
      <marc:subfield code="q">(William Roy),</marc:subfield>
      <marc:subfield code="d">1949- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="3">
      <marc:subfield code="a">An environmental survey of the abandoned Stirling Mine, Richmond County, Nova Scotia / </marc:subfield>
      <marc:subfield code="c">W.R. Parker.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Dartmouth, Nova Scotia] : </marc:subfield>
      <marc:subfield code="b">Water Pollution Control Division, Air and Water Branch, Environmental Protection, Conservation and Protection, Environment Canada, Atlantic Region, </marc:subfield>
      <marc:subfield code="c">June 1987.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (iii, 21 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations, maps</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 9-10).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"During the summer of 1980, Environment Canada staff conducted site investigations at the abandoned Stirling Mine in Richmond County, Cape Breton. The runoff from the mine site and the primary receiving stream, Strachans Brook, contained elevated levels of lead and zinc. The sediments in Strachan's Brook contained elevated levels of iron, zinc, lead and copper and consisted mainly of mine tailings. Despite these problems, Strachan's Brook downstream of the mine supported some aquatic life including Atlantic Salmon fingerling. The inspection revealed that the tailings dam is eroding in two locations and requires remedial work to prevent the loss of additional mine tailings into the receiving waters"--Summary.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Mineral industries</marc:subfield>
      <marc:subfield code="x">Environmental aspects</marc:subfield>
      <marc:subfield code="z">Nova Scotia</marc:subfield>
      <marc:subfield code="z">Cape Breton Island.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Pollution</marc:subfield>
      <marc:subfield code="z">Nova Scotia</marc:subfield>
      <marc:subfield code="z">Cape Breton Island.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Mines</marc:subfield>
      <marc:subfield code="x">Industrie</marc:subfield>
      <marc:subfield code="x">Aspect de l'environnement</marc:subfield>
      <marc:subfield code="z">Nouvelle-Écosse</marc:subfield>
      <marc:subfield code="z">Cap-Breton, Île du.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Pollution</marc:subfield>
      <marc:subfield code="z">Nouvelle-Écosse</marc:subfield>
      <marc:subfield code="z">Cap-Breton, Île du.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Environment Canada. </marc:subfield>
      <marc:subfield code="b">Atlantic Region, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3.39 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/En14-541-1987-eng.pdf</marc:subfield>
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