DDT in Ontario forests
By: by A.P. Leslie.  Reprinted from Canadian geographical journal, October, 1945.
Contributors: Ontario. Dept. of Lands and Forests
Publisher: Ontario Dept. of Lands and Forests
Published: 1945
Place of publication: [Toronto
Language: eng
Number of pages: 14
Subjects: DDT (Insecticide); Forest insects -- Control -- Ontario