Air pollution in Canada
Subtitle: a nation-wide inventory of air pollutant emissions for 1970.
By: La pollution atmosphérique au Canadá inventaire national des rejets de polluants à l'atmosphère en 1970.
Publisher: Information Canada
Published: 1973
Place of publication: [Ottawa
Language: eng
Number of pages: 47
Subjects: Air -- Pollution -- Canada.
Other titles: La pollution atmosphérique au Canada.
Notes: Cover title.
"Prepared by Environment Canada."
English and French.