Environmental change: focus on Ontario.
Subtitle: [Illus. by Sharron Deacon and Ute Bachinski.
Publisher: University of Guelph
Published: 1970
Place of publication: Guelph, Ont.]
Language: eng
Number of pages: 173
Subjects: Conservation of natural resources -- Ontario; Pollution -- Ontario
Notes: "Based on the lecture series Man and the quality of his environment presented at the University of Guelph, Winter, 1970 ... as part of the continuing education program of the Ontario Agricultural College."  Includes bibliography.