<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.889321</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">200709s1975    oncbo   o    f000 0 eng d</marc:controlfield>
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      <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">nl-----</marc:subfield>
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      <marc:subfield code="a">En32-19/1975E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Rogers, A. R., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Final field report - bathymetric/limnogeology survey, Lake Erie, April to October, 1975 / </marc:subfield>
      <marc:subfield code="c">A.R. Rogers - HIC, R. Treciokas - SUB, party chief.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="3">
      <marc:subfield code="a">Bathymetric/limnogeology survey, Lake Erie, April to October, 1975 : </marc:subfield>
      <marc:subfield code="b">final field report</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Burlington, Ontario] : </marc:subfield>
      <marc:subfield code="b">[Canadian Hydrographic Service, Central Region], </marc:subfield>
      <marc:subfield code="c">[1975]</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">1 online resource (13 pages, 21 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">maps, photographs</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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      <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:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The Lake Erie survey is a co-ordinated effort between hydrographic and limnogeology. Plans required the Canadian Hydrographic Service to supply the positioning system and do the sounding for both groups while Limnogeology group will do the bottom sampling"--Narrative, page 7.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Hydrographic surveying</marc:subfield>
      <marc:subfield code="x">Fieldwork</marc:subfield>
      <marc:subfield code="z">Erie, Lake.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Hydrography</marc:subfield>
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      <marc:subfield code="z">Erie, Lake.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Limnology</marc:subfield>
      <marc:subfield code="z">Erie, Lake.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Levés hydrographiques</marc:subfield>
      <marc:subfield code="x">Recherche sur le terrain</marc:subfield>
      <marc:subfield code="z">Érié, Lac.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Hydrographie</marc:subfield>
      <marc:subfield code="x">Recherche sur le terrain</marc:subfield>
      <marc:subfield code="z">Érié, Lac.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Limnologie</marc:subfield>
      <marc:subfield code="z">Érié, Lac.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Canadian Hydrographic Service, </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">8.23 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/eccc/en32/En32-19-1975-eng.pdf</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="986" ind1=" " ind2=" ">
      <marc:subfield code="a">Project file number 6600-73-2</marc:subfield>
    </marc:datafield>
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