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      <marc:subfield code="a">"This report begins with a review of the early development of the science of hydrometry. The report then describes the initiation of hydrometric surveys in Canada, the origins of the Water Survey of Canada, and the development of the current hydrometric program. Since the report was written to commemorate the one-hundredth anniversary of the Water Survey in 2008, it pays particular attention to the origins of the Survey in southern Alberta”--Executive Summary, page [i].</marc:subfield>
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