Sweetwater seas
Subtitle: the legacy of the Great Lakes
By: [written by Michael Egan].
Contributors: Canada. Environment Canada.; Ontario. Ministry of the Environment.
Publisher: Environment Canada; Ontario Ministry of the Environment
Published: 1983
Place of publication: [Ottawa]; [Toronto]
Language: eng
Number of pages: 24
Subjects: Water -- Pollution -- Great Lakes.; Water quality management -- Great Lakes.
Notes: Title from cover.

Includes bibliographical references.