Données sur la qualité des eaux, Fleuve Saint-Laurent, Québec, 1950-1980 =
Subtitle: Water quality data, St. Lawrence River, Québec, 1950-1980 /M. Janson, H. Sloterdijk.. --
Contributors: Sloterdijk, Harm; Canada. Inland Waters Directorate. Quebec Region. Water Quality Branch
Publisher: Direction générale des eaux intérieures, Région du Québec, Direction de la qualité des eaux, 1982.
Published: 1982
Place of publication: Ottawa
Language: eng
Number of pages: 159
Subjects: Water quality -- St. Lawrence River -- Statistics
Other titles: Water quality data, St. Lawrence River, Québec, 1950-1980
Notes: Folded map in pocket.  English and French.