Variability of nutrients in streams in part of the Upper Mississippi River Basin, Minnesota and Wisconsin.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : [U.S. Department of the Interior, U.S. Geological Survey], [1997]
Series:	Fact sheet (Geological Survey (U.S.)) ; FS-97-164.
Subjects:	Nitrates > Environmental aspects > Mississippi River Watershed. Water > Phosphorus content > Mississippi River Watershed > Physiological effect. Nutrient pollution of water > Mississippi River Watershed.

Evans: US Documents (Annex 5th floor)