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      <marc:subfield code="a">Ford, J. S., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">An engineering proposal for a frazil ice recorder / </marc:subfield>
      <marc:subfield code="c">author: J.S. Ford.</marc:subfield>
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      <marc:subfield code="a">[Burlington, Ont.] : </marc:subfield>
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      <marc:subfield code="c">February 1982.</marc:subfield>
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      <marc:subfield code="v">no. E82-02</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">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Some Canadian rivers are prone to flooding caused by ice jams. Frazil ice may initiate the jams by forming a hanging dam under the ice cover. It can also impede the river flow generally because it clings to itself and other things readily. An overview given by Pratte (1976) describes the types of river flow resistance and mentions the effects of frazil ice"--Introduction, page 1.</marc:subfield>
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      <marc:subfield code="a">Technical note (National Water Research Institute (Canada). Hydraulics Division)</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-6/En13-6-1-82-02-eng.pdf</marc:subfield>
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      <marc:subfield code="a">CORRESPONDENCE FILE No: Study 82-377</marc:subfield>
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