Development of Lake Assessment Methods Based Upon the Aquatic Ecoregion Concept Image Date Issued 1989 Author Wilson, C. Bruce Walker, William W. Main Topic Surface Water Water Quality & Pollutants Water Use & Availability Water Conveyance & Hydraulics
Developing Phosphorus Criteria for Minnesota Lakes Image Date Issued 1988 Author Heiskary, Steven A. Walker, William W. Main Topic Surface Water Water Quality & Pollutants Water Use & Availability Water Conveyance & Hydraulics
Establishing a Chlorophyll a Goal for a Run-of-the-river Reservoir Image Date Issued 1995 Author Heiskary, Steven A. Walker, William W. Main Topic Surface Water Water Quality & Pollutants Water Use & Availability Water Conveyance & Hydraulics
Simulated Effects of Water-Level Changes in the Mississippi River and Pokegama Reservoir on Ground-Water Levels, Grand Rapids Area, Minnesota Image Date Issued 2005 Author Jones, Perry M. Main Topic Groundwater Surface Water