Some aspects of airphoto interpretation of permafrost in Canada
By: by R. J. E. Brown.
Series: Technical paper, no. 409
Publisher: National Research Council of Canada, Division of Building Research
Published: 1974
Place of publication: Ottawa
Language: eng
Number of pages: 20
Subjects: Frozen ground -- Canada; Aerial photography in soil surveys
Notes: Bibliography: p. 16-20.