Water pollution. Stream pollution, hearings before subcommittee, 74th Congress, 2d session, on S. 3958, to prevent pollution of navigable waters of United States, and for other purposes, S. 3959, to amend sec. 13 of act of Mar. 18, 1899, relating to deposit of refuse in navigable waters of United States, and sec. 3, of oil pollution act, 1924, S. 4342 and S. 4627, bills to create Division of Stream PoHution Control in Bureau of Public Health Service, Feb. 26-May 21, 1936.

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