1. Anderson CW, Rinella FA, Rounds S. 1996. Occurrence of selected trace elements and organic compounds and their relation to land use in the Willamette River Basin, Oregon, 1992-1994. Report 96-4234. U.S. Geological Survey, Portland, OR.
2. Anderson CW, Wood TM, Morace JL. 1997. Distribution of dissolved pesticides and other water quality constituents in small streams, and their relation to land use, in the Willamette River Basin, Oregon, 1996. Report 97-4268. U.S. Geological Survey, Portland, OR.
3. Exploring factors controlling the variability of pesticide concentrations in the Willamette River Basin using tree-based models;Qian;Environ Sci Technol,1999
4. Ecological risk assessment of atrazine in North American surface waters;Solomon;Environ Toxicol Chem,1996
5. Botanical plants prove useful in cleaning up industrial sites;Kirschner;Chem Eng News,1995