Upper Midwest Environmental Sciences Center
References
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Yin, Y., J. S. Winkelman, and H. A. Langrehr . 2000. Long Term Resource Monitoring Program procedures: Aquatic vegetation monitoring. U.S. Geological Survey, Upper Midwest Environmental Sciences Center, La Crosse, Wisconsin, April 2000. LTRMP 95-P002-7. 8 pp. + Appendixes A-C
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