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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="007">ta</marc:controlfield>
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      <marc:subfield code="a">Northern River Basins Study (Canada)‏.</marc:subfield>
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      <marc:subfield code="a">Probable air pathways for long-range transport of air pollutants to Lake Athabasca : </marc:subfield>
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      <marc:subfield code="a">"This report describes the results of an investigation into potential atmospheric pathways for air pollutants. Observed wind data from the Ft. Chipewyan area for the period of October 1991 to September 1992 were selected to run the air circulation model."--Study perspective.</marc:subfield>
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      <marc:subfield code="a">Issued also in electronic format.</marc:subfield>
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      <marc:subfield code="a">This report describes the results of an investigation into potential atmospheric pathways for air pollutants. Observed wind data from the Ft. Chipewyan area for the period of October 1991 to September 1992 were selected to run the air circulation model.--Study perspective</marc:subfield>
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      <marc:subfield code="a">Ring binding</marc:subfield>
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      <marc:subfield code="t">Probable air pathways for long-range transport of air pollutants to Lake Athabasca : </marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study project report,</marc:subfield>
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      <marc:subfield code="a">Project 5316-E1</marc:subfield>
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