Permafrost in North America
This paper gives a brief history of permafrost investigations in North America starting with the observations of early explorers. In more recent years a concerted attempt has been made to deal with the problems resulting from construction and transportation in permafrost regions. Expeditions down th...
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Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
1966
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Online Access: | https://nrc-publications.canada.ca/eng/view/ft/?id=bd15de71-3fe2-4976-bfac-7b67eed2965e https://nrc-publications.canada.ca/eng/view/object/?id=bd15de71-3fe2-4976-bfac-7b67eed2965e https://nrc-publications.canada.ca/fra/voir/objet/?id=bd15de71-3fe2-4976-bfac-7b67eed2965e |