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1.
The delaware river basin : an environmental assessment of three centuries of quality / prepared by The Council on Environmental by
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : U.S. Government Printing Office, 1975
Availability: Items available for loan: National Library of India (1)Call number: U.S 628.16837 D 376.

2.
Aquatic toxicity of pulp and paper mill effluent : a literature review / Environment Protection Agecy of United States by Series: Environmental protection series reports
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Cincinnati : Environment Research Information Center, 1979
Availability: Items available for loan: National Library of India (1)Call number: U.S 628.16837 Un 3.

3.
The use of bluegills to detect zinc / by John Cairns, Jr. and Richard E. Sparks by Series: Water pollution control research series
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., United States Government Printing Office, 1971
Availability: Items available for loan: National Library of India (1)Call number: U.S 639.30973 C 123.

4.
The use of bluegills to detect zinc / by John Cairns, Jr. and Richard E. Sparks by Series: Water pollution control research series
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., United States Government Printing Office, 1971
Availability: Items available for loan: National Library of India (1)Call number: U.S 639.30973 C 123.

                                                                           
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