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v. [1]
Report of the U.S. and Canadian engineers on the improvement of the St. Lawrence river. 1922. - Message from the President of the U.S. 1922. - Hearings in the matter of the application of the St. Lawrence river power company. 1923.
v. [2] Report to International joint commission on navigation and power in the St. Lawrence river, by Hugh L. Cooper & co. [1920]
Report of the U.S. and Canadian engineers on the improvement of the St. Lawrence river. 1922. - Message from the President of the U.S. 1922. - Hearings in the matter of the application of the St. Lawrence river power company. 1923.
v. [2] Report to International joint commission on navigation and power in the St. Lawrence river, by Hugh L. Cooper & co. [1920]