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      <marc:subfield code="a">Isaacs, R. M., </marc:subfield>
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      <marc:subfield code="a">Geotechnical studies of permafrost in the Fort Good Hope-Norman Wells region, N.W.T. / </marc:subfield>
      <marc:subfield code="c">by R.M. Isaacs, Geological Survey of Canada, Department of Energy, Mines and Resources for the Environmental-Social Program, Northern Pipelines.</marc:subfield>
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      <marc:subfield code="a">Environmental-Social Committee, Northern Pipelines, Task Force on Northern Oil Development Report ; </marc:subfield>
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      <marc:subfield code="a">"The basis of the project is the study of permafrost in its natural state so as to explain its present behaviour, and by observing its response when subjected to field disturbances and laboratory tests, to develop a rational quantitative method of predicting permafrost behaviour when affected by engineering construction or other changes in conditions"--Introduction, page 2.</marc:subfield>
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