Données sur la qualité des eaux, Fleuvre Saint-Laurent, Québec, 1950-1980 =
Subtitle: water quality data, St. Lawrence River, Quebec, 1950-1980
By: M. Janson, H. Sloterdijk.
Contributors: Sloterdijk, H.; Canada. Environment Canada.
Published: 1982
Place of publication: Ottawa, Canada
Language: fre
Number of pages: 159
Subjects: Water quality -- Saint Lawrence River
Other titles: Water quality data, St. Lawrence River, Quebec, 1950-1980.; Water quality data, Saint Lawrence River.
Notes: At head of title: Environment Canada.

Three maps on 1 folded leaf in pocket.