Survey of Sediment Quality in the Duluth/Superior Harbor: 1993 Sample Results Image Date Issued 1997-03 Author Schubauer-Berigan, Mary Crane, Judy L. Main Topic Water Monitoring & Assessment Water Quality & Pollutants
Three-Dimensional Visualization Maps of Suspended- Sediment Concentrations during Placement of Dredged Material in 21st Avenue West Channel Embayment, Duluth-Superior Harbor, Duluth, Minnesota, 2015 Image Date Issued 2016 Main Topic Water Quality & Pollutants Water Education, Outreach & Community Capacity
