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Water-quality assessment of the eastern Iowa basins :
selected pesticides and pesticide degradates in streams, 1996-98 /
by Douglas J. Schnoebelen ... [et al.] ; prepared as part of the National Water-Quality Assessment Program.

APA Citation

Schnoebelen, D. J., Geological Survey (U.S.)., National Water-Quality Assessment Program (U.S.). (2003). Water-quality assessment of the eastern Iowa basins: selected pesticides and pesticide degradates in streams, 1996-98. Iowa City, IA: U.S. Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Schnoebelen, Douglas J, Geological Survey (U.S.), and National Water-Quality Assessment Program (U.S.). Water-quality Assessment of the Eastern Iowa Basins: Selected Pesticides And Pesticide Degradates In Streams, 1996-98. Iowa City, IA: U.S. Dept. of the Interior, U.S. Geological Survey , 2003.

Warning: These citations may not always be complete (especially for serials).