The Great Lakes Basin : hearings before the United States Senate Committee on Foreign Relations, Subcommittee on the Great Lakes Basin, Eighty-Fourth Congress, second session, on Aug. 27, 29, 30, 1956
The Great Lakes Basin : hearings before the United States Senate Committee on Foreign Relations, Subcommittee on the Great Lakes Basin, Eighty-Fourth Congress, second session, on Aug. 27, 29, 30, 1956.