Ecological imbalance in the Great Lakes.
Subtitle: Hearings, Ninetieth Congress, first session, on S. 2123. August 5 and 7, 1967.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 186
Subjects: Fishery law and legislation -- Great Lakes (North America)
Notes: "Serial no. 90-39."