GEOGRAPHIC VARIATION OF NUTRIENT SPIRALING IN STREAMS IN MINNESOTA, NORTHERN CALIFORNIA, AND EASTERN SIBERIA Image Date Issued 2010 Author Seybold, E. C. Drake, T. Schade, J. D. Schmidt, S. N. Kantor, B. J. Bulygina, K. Davydov, S. Frey, K. Holmes, R. M. Sobczak, W. Main Topic Water Quality & Pollutants