prepared by Marc Odin and Steve Bosch, Environmental Science Center, Syracuse Research Corporation; prepared for: U.S. Environmental Protection Agency, OPPTS/HERD
prepared by the U.S. Geological Survey, Biological Resources Division, Northern Prairie Science Center, Jamestown, North Dakota for the U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Western Ecology Division, Corvallis, Oregon ; Spencer A. Peterson ... [and others], editors