2 Allen, D.M. 1988 The permafrost regime in the Mackenzie Delta-Beaufort Sea region, NWT and its paleoclimatic implications Ottawa Carleton University 154 Permafrost depth, Subsea permafrost, Permafrost thermal properties, Mathematical models, Permafrost distribution, Permafrost thickness, Permafrost dating, Paleoclimatology, Canada--Northwest Territories--Mackenzie Delta