Organic terrain organization from the air (altitudes 1,000 to 5,000 feet) by Norman W. Radforth.
Contributors: Radforth, Norman W.
Series: Canada.  Defence Research Board.  Handbook, no. 2
Published: 1958
Place of publication: Ottawa
Language: eng
Number of pages: 23
Subjects: Aerial photogrammetry.; Soils -- Canada, Northern; Humus; Canada -- Surveys.