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      <marc:subfield code="a">Aitken, W., </marc:subfield>
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      <marc:subfield code="a">Sediment station profile : </marc:subfield>
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      <marc:subfield code="c">by W. Aitken, P. Eng., hydrologist for Water Planning and Management Branch, Northwest Territories Programs, Inland Waters and Lands, Western and Northern Region, Conservation and Protection, Environment Canada.</marc:subfield>
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      <marc:subfield code="a">[Yellowknife, Northwest Territories] : </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">"This report is intended to draw together, in a single document, information relating to sediment data gathering activities on the Mackenzie River at Arctic Red River"--Page 1.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/eccc/en39/En39-157-1987-eng.pdf</marc:subfield>
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