What does resilience of a clear-water state in lakes mean for the spatial heterogeneity of submersed macrophyte biovolume? Date Issued 2007 Author Valley, Ray D. Drake, Melissa T. Main Topic Water Quality & Pollutants
Geomorphic Characteristics and Classification of Duluth-Area Streams, Minnesota Image Date Issued 2006 Author Fitzpatrick, Faith A. Peppler, Marie C. DePhilip, Michele M. Lee, Kathy E. Main Topic Water Quality & Pollutants
