Distribution of phytoplankton in Alabama lakes /

by Taylor, W. D. (William Dee), Hiatt, Fabienne A., Hern, S. C., Hilgert, Jerry W., Lambou, Victor W., Morris, F. A., Thomas, Robert William, 1939-, Morris, M. K., Williams, Llewellyn R.
Las Vegas, Nevada : Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Monitoring Operations Division, 1977

Preimpoundment water quality of the Wild Rice River, Norman County, Minnesota /

by Tornes, L. H. (Lan H.)
St. Paul, Minn. (702 Post Office Building, St. Paul, Minn. 55101) : U.S. Geological Survey, Water Resources Division, 1980