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      <marc:subfield code="a">Heidt, J., </marc:subfield>
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      <marc:subfield code="a">Technical report on the snowmaking capability in the hydraulics environmental rooms / </marc:subfield>
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      <marc:subfield code="a">[Burlington, ON] : </marc:subfield>
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      <marc:subfield code="c">July 1981.</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">"The snowmaking facility and equipment in the Hydraulics Division labouratory [sic] have never had a comprehensive examination to determine their full capabilities. The purpose of this study is to systematically gather data about snow type and quantity which can be displayed in tables and graphs for different cold room temperatures and air/water supply parameters"--page 5.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en36-522/En36-522-35-1981-eng.pdf</marc:subfield>
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