Wabigoon River and Clay Lake biological survey, June 1961
By: Thomas W. Beak
Series: Beak Reports
Publisher: T.W. Beak
Published: 1961
Place of publication: Kingston, Ont
Language: eng
Number of pages: 16
Subjects: Water quality biological assessment; Water; Pollution; Dryden Paper Company
Other titles: Marion Lamm Mercury Collection.
Notes: "This is a confidential report to the Dryden Paper Company Limited to assist the Company's officers in instructing their lawyer in the matter of threatened litigation."

"June 1961."