Nutrients in the nation's waters : too much of a good thing? /
Mueller, David K.
Helsel, Dennis R.
Kidd, Mary A.
Geological Survey (U.S.)
[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to Information Services [distributor],
1996.
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 97-0276-P.
Includes bibliographical references (p. 22).
Nutrient pollution of water