NITRATE MOVEMENT AND TRANSFORMATION WITHIN THE UPPER MISSISSIPPI RIVER - FLOODPLAIN SYSTEM.
L.A. Bartsch, D.M. Soballe, W.B. Richardson, E.A. Strauss, and D.M. Wasley. Upper Midwest Environmental Sciences Center, U.S. Geological Survey, 2630 Fanta Reed Rd., La Crosse, WI 54603.

SPATIAL AND TEMPORAL VARIABILITY OF STREAM WATER CHEMISTRY IN AN OLD-GROWTH NORTHERN HARDWOOD WATERSHED OF UPPER MICHIGAN, USA.
P. Goebel¹, B. Palik², A. Risch¹, and K. Pregitzer¹. ¹School of Forestry and Wood Products, Michigan Technological University, Houghton, MI 49931, ²Forestry Sciences Lab, North Central Research Station, USDA Forest Service, Grand Rapids MN 55744

PHOSPHORUS DYNAMICS IN A DEVELOPED WATERSHED.
J.B. Pollock and J.L. Meyer. Institute of Ecology, University of Georgia, Athens, GA 30602

PHOSPHORUS-SEDIMENT INTERACTIONS IN LAKE EUCHA TRIBUTARIES.
Y.A. Popova, B.E. Haggard, D.E. Storm, and R.D. Tejral. Department of Biosystems and Agricultural Engineering, Oklahoma State University, Stillwater, Oklahoma 74074