Nutrients in the nation’s waters : too much of a good thing? /
Mueller, David K.
Nutrients in the nation’s waters : too much of a good thing? / by David K. Mueller and Dennis R. Helsel ; graphic edited by Mary A. Kidd.. - United States: U. S. Geological Survey, U. S. Department of the Interior [1996]. - 24 p. : col. ill., col. maps ; 28 cm. - 1136 .
Includes bibliographical references (p. 22).
Nutrient pollution of water
628.168
Nutrients in the nation’s waters : too much of a good thing? / by David K. Mueller and Dennis R. Helsel ; graphic edited by Mary A. Kidd.. - United States: U. S. Geological Survey, U. S. Department of the Interior [1996]. - 24 p. : col. ill., col. maps ; 28 cm. - 1136 .
Includes bibliographical references (p. 22).
Nutrient pollution of water
628.168