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2. Uncertainty analysis of the simulations of effects of discharging treated wastewater to the Red River of the North at Fargo, North Dakota, and Moorhead, Minnesota
3. Unconsolidated aquifers in Tompkins County, New York
4. Unconsolidated aquifers in upstate New York--Finger Lakes sheet
5. Updating flood maps efficiently using existing hydraulic models, very-high-accuracy elevation data, and a Geographic Information System : a pilot study on the Nisqually River, Washington
6. Uranium and radon in ground water in the lower Illinois River basin
7. Urban storm runoff in the Roseburg Area, Oregon, as related to urban flood characteristics of the Willamette Valley
8. Urban stormwater quality, event-mean concentrations, and estimates of stormwater pollutant loads, Dallas-Fort Worth area, Texas, 1992-93
9. Urban stormwater quality, event-mean concentrations, and estimates of stormwater pollutant loads, Dallas-Fort Worth area, Texas, 1992-93
10. Urbanization and recharge in the vicinity of East Meadow Brook, Nassau County, New York. Part 4. Water quality in the headwaters area, 1988-93
11. Urbanization and recharge in the vicinity of East Meadow Brook, Nassau County, New York. Part 3. Ground-water levels and flow conditions, 1988-93
12. Urbanization and recharge in the vicinity of East Meadow Brook, Nassau County, New York. Part 2. Effect of urban runoff on the hydrology of the headwaters of East Meadow Brook, 1989-90
13. Urbanization and recharge in the vicinity of East Meadow Brook, Nassau County, New York. Part 1. Streamflow and water-table altitude, 1939-90
14. U.S. Geological Survey Karst Interest Group proceedings, Shepherdstown, West Virginia August 20-22, 2002
15. U.S. Geological Survey nutrient preservation experiment : experimental design, statistical analysis, and interpretation of analytical results
16. The U.S. Geological Survey stream-gaging program in west-central Florida
17. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the technical meeting, Monterey, California, March 11-15, 1991
18. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the Technical Meeting, Phoenix, Arizona, September 26-30, 1988
19. Use of a geographic information system to assess risk to ground-water quality at public-supply wells, Cape Cod, Massachusetts
20. Use of a precipitation-runoff model for simulating effects of forest management on streamflow in 11 small drainage basins, Oregon coast range
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