00000nam 2200000zi 4500 9.883583 CaOODSP 20221107170620 m o d f cr bn||||||||| 200115s1958 oncab ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- r------ M67/18E-PDF Mackay, J. Ross (John Ross), 1915- author. A subsurface organic layer associated with permafrost in the western Arctic / J. Ross MacKay. Ottawa : Geographical Branch, Department of Mines and Technical Surveys, 1958. 1 online resource (21 pages) : illustrations, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Geographical paper ; no. 18 Digitized edition from print [produced by Environment and Climate Change Canada]. Back cover is wanting in this copy. Includes bibliographical references (pages 20-21). "The Geographical Branch has been investigating permafrost and associated phenomena over the past ten years. In connection with its studies of terrain conditions in northern Canada, This paper deals with the organic layer associated with the permafrost surface and suggests an origin for this layer. It is hoped that this report will be of assistance to those who are concerned with the application of northern terrain characteristics to problems of construction and transportation"--Preface. Issued also in print format. Permafrost Canada, Northern. Histosols Canada, Northern. Pergélisols Canada (Nord) Histosols Canada (Nord) Canada. Department of Mines and Technical Surveys. Canada. Geographical Branch. Geographical paper (Canada. Geographical Branch) no. 18. (CaOODSP)9.882106 PDF 848 KB https://publications.gc.ca/collections/collection_2020/eccc/m67/M67-18-eng.pdf