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1.
Estimation of nonpoint source loadings of phosphorus for lakes in the puget sound region, washington/ Robert J. Gilliom by Series: U.S. Geologycal survey water-supply paper ; 2240
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Government Printing Office, 1983
Availability: Items available for loan: National Library of India (1)Call number: U.S 628.168 G 416(pap. no.2240).

2.
Pesticides in the nations rivers, 1975-1980, and implications for future monitoring / Robert J. Gilliom, Richard B. Alexander and Richard A. Smith by Series: U.S. Geologycal survey water-supply paper ; 2271
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States govrnment Printing Office, 1985
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.7394 G 416(paper no.2271).

3.
Classification and mapping of agricultural land for national water-quality assessment / by Robert J. Gilliom and Gail P. Thelin by Series: U.S. Geological Survey circular ; 1131
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Government Printing Press, 1997
Availability: Items available for loan: National Library of India (1)Call number: U.S.333.760973 G 416 c.

4.
Pesticides in the nation's rivers, 1975-1980, and implications for future monitoring / by Robert J. Gilliom, Richard B. Alexander, and Richard A. Smith by Series: U.S. Geological Survey water-supply paper ; 2271
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : United States of Government Printing Office, 1985
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.7394 G 416(no. 2271).

                                                                           
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