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      <marc:subfield code="a">Duncan, G. A., </marc:subfield>
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      <marc:subfield code="a">Particle size data report 81-02 / </marc:subfield>
      <marc:subfield code="c">author, G. A. Duncan.</marc:subfield>
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      <marc:subfield code="a">[Burlington, Ont.] : </marc:subfield>
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      <marc:subfield code="c">February 1981.</marc:subfield>
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      <marc:subfield code="a">Technical note ; </marc:subfield>
      <marc:subfield code="v">no. 81-04</marc:subfield>
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      <marc:subfield code="a">"This report provides the results of particle size analyses of sediments from Lake Erie cores. D. Delorme submitted 73 samples requesting sand, silt and clay percentages. The samples were analyzed by G. Duncan, under Study (HD) 2304"--Introd.</marc:subfield>
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