Permafrost in North America.
Series: National Research Council, Canada.  Division of Building Research.  Technical paper, no. 232
Publisher: National Research Council
Published: 1966
Place of publication: Ottawa
Language: eng
Subjects: Frozen ground -- Canada; Frozen ground -- Alaska
Notes: Cover title.  NRC 9268.  Reprinted from Proceedings: Permafrost International Conference, Nov. 1963, p. 2-6.  Includes bibliography.