Regulation of Great Lakes water levels
Subtitle: a summary report, 1974
By: International Great Lakes Levels Board.
Publisher: International Great Lakes Levels Board
Published: 1975
Place of publication: [Ottawa]
Language: eng
Number of pages: 37
Subjects: Water levels -- Great Lakes (North America); Water-supply -- Great Lakes (North America); Great Lakes (North America) -- Description and travel.
Notes: Cover title.