Phase II GIS-based Sediment Quality Database for the St. Louis River Area of Concern (AOC): Comparison of Surficial Sediment Contamination in the St. Louis River AOC with Other Areas of Concern in the Great Lakes Basin and Other Areas Located Elsewhere in the United States Image Date Issued 2004-10-01 Author Crane, Judy L. MacDonald, D.D. Smorong, D.E. Fisher, L.J. Hamilton, S.L. Huntington, C.A. Main Topic Water Quality & Pollutants Water Monitoring & Assessment