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      <marc:subfield code="a">Bishop, Craig Timothy, </marc:subfield>
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      <marc:subfield code="a">A preliminary assessment of the Goderich Harbour rubblemound breakwater's effects on coastal and fluvial processes / </marc:subfield>
      <marc:subfield code="c">by Craig T. Bishop.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Canada Centre for Inland Waters, Research and Applications Branch, </marc:subfield>
      <marc:subfield code="c">July 1987.</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">87-119</marc:subfield>
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      <marc:subfield code="a">Title from cover.</marc:subfield>
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      <marc:subfield code="a">"This report has been prepared at the request of the Environmental Protection Service, Ontario Region, Environment Canada"--Cover.</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">"An environmental monitoring program has been conducted at Goderich Harbour for three years to assess the impact of a new rubblemound breakwater on local coastal and fluvial processes. Hydrographic surveys were carried out to determine sediment accretion and deposition changes. Bed material surveys were also completed. Results from 1984 to 1986 indicate no serious adverse environmental impacts due to the new breakwater"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes a management perspective and an abstract in English and French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
      <marc:subfield code="b">Research and Applications Branch.</marc:subfield>
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      <marc:subfield code="a">Canada Centre for Inland Waters.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Protection Service. </marc:subfield>
      <marc:subfield code="b">Ontario Region.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-87-119-eng.pdf</marc:subfield>
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