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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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      <marc:subfield code="a">Geological Survey of Canada.</marc:subfield>
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      <marc:subfield code="a">The physical environment of the Mackenzie Valley, Northwest Territories : </marc:subfield>
      <marc:subfield code="h">[electronic resource]</marc:subfield>
      <marc:subfield code="b">a base line for the assessment of environmental change / </marc:subfield>
      <marc:subfield code="c">Edited by L.D. Dyke and G.R. Brooks. </marc:subfield>
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      <marc:subfield code="b">Natural Resources Canada. </marc:subfield>
      <marc:subfield code="c">c2000, digital format in 2006.</marc:subfield>
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      <marc:subfield code="a">This bulletin is the report of the Mackenzie Integrated Research and Monitoring Area project which was initiated to assess the sensitivity of landscape-altering processes in the Mackenzie Valley to climate warming and to produce regional maps of permafrost and ground-ice distribution.</marc:subfield>
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      <marc:subfield code="a">PC: Pentium processor with Windows 98; MAC: Mac OS X v. 10.2.2; UNIX: Go to www.adobe.com for appropriate reader for your system; Monitor: 17" colour monitor, video resolution of 1280 x 1024; RAM: 64 MB; Adobe Reader v. 6.0 is required and included on the CD-ROM.</marc:subfield>
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      <marc:subfield code="a">(Résumés en français.)</marc:subfield>
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      <marc:subfield code="a">06-05</marc:subfield>
      <marc:subfield code="b">2006-02-03</marc:subfield>
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      <marc:subfield code="a">Brooks, G. R.</marc:subfield>
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      <marc:subfield code="a">Dyke, L. D.</marc:subfield>
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      <marc:subfield code="t">The physical environment of the Mackenzie Valley, Northwest Territories : </marc:subfield>
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