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    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">170309s2002    oncab   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">Hacquebard, P. A.</marc:subfield>
      <marc:subfield code="q">(Peter Albertus),</marc:subfield>
      <marc:subfield code="d">1918-</marc:subfield>
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      <marc:subfield code="a">Relationship of the Gardiner and Mullins coal seams in the Sydney field of Cape Breton Island, Nova Scotia </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">by Peter A. Hacquebard.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Natural Resources Canada, </marc:subfield>
      <marc:subfield code="c">2002.</marc:subfield>
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      <marc:subfield code="a">8, [6] p. : </marc:subfield>
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      <marc:subfield code="a">Open file ; </marc:subfield>
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      <marc:subfield code="a">Historical publication digitized by the Geological Survey of Canada.</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"2002."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (p. 6-7).</marc:subfield>
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      <marc:subfield code="a">"The stratigraphic position of the Gardiner and Mullins seams in the Sydney coalfield is examined and is illustrated with six figures. They show petrographic and borehole sections, as well as outcrop maps and seam thickness variations in the New Waterford and Glace Bay districts. Notwithstanding the remarkable petrographic similarity, the study shows that indeed two separate coal seams are present"--Abstract, p. 2.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada (Atlantic)</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada.</marc:subfield>
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      <marc:subfield code="a">Open file (Geological Survey of Canada)</marc:subfield>
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      <marc:subfield code="w">(CaOODSP)9.506878</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">4.31 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/rncan-nrcan/M183-2/M183-2-4283-eng.pdf</marc:subfield>
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