TY - BOOK AU - Stark,J.R. ED - United States. ED - United States TI - Water quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98 SN - 0607954167 U1 - 363.739420977 21st ed. PY - 2000///]. CY - [Reston, Virginia]: PB - [U. S. Geological Survey], , [U. S. Department of the Interior] KW - Water quality KW - Mississippi River Watershed N1 - Includes bibliographical references (p. 26-28) ER -