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      <marc:subfield code="a">Smith, R. E., </marc:subfield>
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      <marc:subfield code="a">An analysis of local fog in the Coppercliff area / </marc:subfield>
      <marc:subfield code="c">by R.E. Smith.</marc:subfield>
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      <marc:subfield code="a">Analysis of local fog in the Copper Cliff area</marc:subfield>
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      <marc:subfield code="a">[Toronto, Ontario] : </marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">"2 Nov 64."</marc:subfield>
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      <marc:subfield code="a">"CIR 4138."</marc:subfield>
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      <marc:subfield code="a">"A study of annual, seasonal, and diurnal variations in fog occurrence at Sudbury airport and at Highway 17 near Copper Cliff has been made and related to several meteorological variables. In addition traffic accidents which occurred during fog conditions were analyzed"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Copper Cliff (Sudbury, Ont.)</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Meteorological Branch, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-543-1964-eng.pdf</marc:subfield>
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      <marc:subfield code="a">U.D.C. 551.509.325 :551.575.3</marc:subfield>
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