Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.), & Schnoebelen, D. J. (1999). Selected nutrients and pesticides in streams of the eastern Iowa Basins, 1970-95. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), National Water-Quality Assessment Program (U.S.), and Douglas J. Schnoebelen. Selected Nutrients and Pesticides in Streams of the Eastern Iowa Basins, 1970-95. Iowa City, Iowa: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Selected Nutrients and Pesticides in Streams of the Eastern Iowa Basins, 1970-95. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
Warning: These citations may not always be 100% accurate.