prepared by U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Large Lakes and Rivers Forecasting Research Branch, Large Lakes Research Station ; prepared for U.S. Environmental Protection Agency, Great Lakes National Program Office ; Ronald Rossmann, editor
prepared by U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Large Lakes and Rivers Forecasting Research Branch, Large Lakes Research Station ; prepared for U.S. Environmental Protection Agency, Great Lakes National Program Office ; Kenneth R. Rygwelski, editor