St. Louis River/Interlake/Duluth Tar Site Duluth, Minnesota: REVISED DRAFT FEASIBILITY STUDY Image Date Issued 2003 Main Topic Groundwater Surface Water Agricultural Drainage Water Quality & Pollutants Water Use & Availability Water Conveyance & Hydraulics Water Biology & Aquatic Habitat Water Monitoring & Assessment Water Policy
Hydrogeology of the Paleozoic bedrock in southeastern Minnesota, Report of Investigations Image Date Issued 2003 Author Runkel, Anthony C. Tipping, Robert G. Alexander, Jr., E. Calvin Green, Jeffrey A. Main Topic Wastewater
