<?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">9.954992</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250909135650</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">250909e199602##abcdba  ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">0662244419</marc:subfield>
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    <marc:datafield tag="040" ind1=" " ind2=" ">
      <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:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn-ab</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">R71-49/3-94E-PDF</marc:subfield>
      <marc:subfield code="z">R71-49/3-94E</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Noton, L. R., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Investigations of streambed oxygen demand : </marc:subfield>
      <marc:subfield code="b">Athabasca River, October 1994 to March 1995 / </marc:subfield>
      <marc:subfield code="c">prepared for the Northern River Basins Study under project 2222-D1 by Leigh R. Noton.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Edmonton, Alberta : </marc:subfield>
      <marc:subfield code="b">Northern River Basins Study, </marc:subfield>
      <marc:subfield code="c">February 1996.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©1996</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (78 pages in various pagings) : </marc:subfield>
      <marc:subfield code="b">charts, maps, illustrations.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <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>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Northern River Basins Study project report, </marc:subfield>
      <marc:subfield code="y">1192-3571 ; </marc:subfield>
      <marc:subfield code="v">no. 94</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 (page 17).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Streambed oxygen demand (SOD) was sampled in the Athabasca River from October 1994 to March 1995 with the objectives of obtaining a series of measurements from upstream of Hinton to the Calling River area, and investigating temporal change in SOD at key sites. As in previous surveys, SOD was measured with closed chambers, deployed in the river for about 24 hours. Measurements were also made of other pertinent variables including benthic chlorophyll, depth, and velocity"--Report summary.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="530" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in print format.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water quality</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca River.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water</marc:subfield>
      <marc:subfield code="x">Dissolved oxygen.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Qualité</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca, Rivière.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Oxygène dissous.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Northern River Basins Study (Canada)‏, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Investigations of streambed oxygen demand, Athabasca River : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.612957</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Northern River Basins Study project report ;</marc:subfield>
      <marc:subfield code="v">no. 94.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883506</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">9007 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/r71/R71-49-3-94-eng.pdf</marc:subfield>
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