Water pollution, 1969:
hearings, Ninety-first Congress, first session, on S. 7 and S. 544, bills to amend the Federal Water Pollution Control Act, as amended, and related matters pertaining to the prevention and control of water pollution.

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Item Link Original Source
Full view   University of Illinois at Urbana-Champaign
Full view   v.1 University of Illinois at Urbana-Champaign
Full view   pt. 1-2 (1969) University of California
Full view   pt.1-3 University of California
Full view   v.2 University of Illinois at Urbana-Champaign
Full view   v.3 University of Illinois at Urbana-Champaign
Full view   pt.3-4 Cornell University
Full view   v.4 University of Illinois at Urbana-Champaign