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22. Relations of biological indicators to nutrient data for lakes and streams in Pennsylvania and West Virginia, 1990-98
23. Report of hydrologic investigations in the Three Sisters area of central Oregon, Summer 2001
24. Residence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed
25. Response of fish communities to cropland density and natural environmental setting in the Eastern Highland Rim Ecoregion of the lower Tennessee River basin, Alabama and Tennessee, 1999
26. Response of the St. Croix River pools, Wisconsin and Minnesota, to various phosphorus-loading scenarios
27. Results of a two-dimensional hydrodynamic and sediment-transport model to predict the effects of the phased construction and operation of the Olmsted Locks and Dam on the Ohio River near Olmsted, Illinois
28. Results of hydraulic tests in Miocene tuffaceous rocks at the C-hole complex, 1995 to 1997, Yucca Mountain, Nye County, Nevada
29. Resurvey of quality of surface water and bottom material of the Barataria Preserve of Jean Lafitte National Historical Park and Preserve, Louisiana, 1999-2000
30. Review of selected references and data sets on ambient ground- and surface-water quality in the Metedeconk River, Toms River, and Kettle Creek basins, New Jersey, 1980-2001
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