Water quality data for Ontario lakes and streams
Subtitle: Northwestern Region
By: Water Resources Branch. --
Publisher: Water Resources Branch.
Published: 1982
Place of publication: [Toronto]
Language: eng
Subjects: Water quality
Notes: Description based on: Vol. 19 (1983).

Chiefly tables.

Continues in part: Ontario. Water Resources Branch. Water quality data for Ontario lakes and streams, ISSN 0383-5472.