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2. Water-quality and chemical loads of the Susquehanna River at Harrisburg, Pennsylvania, April 1980 to March 1981
3. Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991
4. Use of isotopes to identify sources of ground water, estimate ground-water-flow rates, and assess aquifer vulnerability in the Calumet Region of northwestern Indiana and northeastern Illinois
5. Use of frequency-volume analyses to estimate regionalized yields and loads of sediment, phosphorus, and polychlorinated biphenyls to lakes Michigan and Superior
6. Time of travel of solutes in Buffalo Bayou and selected tributaries, Houston, Texas, August 1999
7. Time of travel of solutes in Buffalo Bayou and selected tributaries, Houston, Texas, August 1999
8. Synoptic survey of water quality and bottom sediments, San Juan Bay estuary system, Puerto Rico, December 1994-July 1995
9. Streamflow, water quality, and quantification of metal loading in the upper Tenmile Creek Watershed, Lewis and Clark County, west-central Montana, September 1998
10. Streamflow, water quality, and quantification of metal loading in the upper Tenmile Creek Watershed, Lewis and Clark County, west-central Montana, September 1998
11. Streamflow, water quality, and contaminant loads in the lower Charles River Watershed, Massachusetts, 1999-2000
12. Statistical analysis of uranium-mill raffinate contamination in water wells in Lincoln Park, south-central Colorado
13. State of flood plain vegetation within the meander belt of the Clark Fork of the Columbia River, Deer Lodge Valley, Montana
14. Spatial distribution, temporal variability, and chemistry of the salt wedge in the lower Charles River, Massachusetts, June 1998 to July 1999
15. The Southern Hills regional aquifer system of southeastern Louisiana and southwestern Mississippi
16. Sources of contamination in an urban basin in Marquette, Michigan and an analysis of concentrations, loads, and data quality
17. Simulation of ground-water flow in the St. Peter aquifer in an area contaminated by coal-tar derivatives, St. Louis Park, Minnesota
18. Simulation of ground-water flow in the Potomac-Raritan-Magothy aquifer system near the Defense Supply Center Philadelphia, and the Point Breeze Refinery, southern Philadelphia County, Pennsylvania
19. Simulation of ground-water flow, Dayton area, southwestern Ohio
20. Simulation of a valley-fill aquifer system to delineate flow paths, contributing areas, and traveltime to wellfields in southwestern Broome County, New York
21. Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota
22. Sediment characteristics and configuration within three dam impoundments on the Kalamazoo River, Michigan, 2000
23. Rock-stratigraphic nomenclature, lithology, and subcrop area of the Galena-Platteville bedrock unit in Illinois and Wisconsin
24. Relations of biological indicators to nutrient data for lakes and streams in Pennsylvania and West Virginia, 1990-98
25. Relations among river stage, rainfall, ground-water levels, and stage at two Missouri River flood-plain wetlands
26. Relations among rainstorm runoff, streamflow, pH, and metal concentrations, Summitville Mine area, upper Alamosa River basin, southwest Colorado, 1995-97
27. Recharge areas and quality of ground water for the Glen Canyon and valley-fill aquifers, Spanish Valley area, Grand and San Juan counties, Utah
28. Radon-222 concentrations in ground water and soil gas on Indian reservations in Wisconsin
29. Quantification of metal loading in Fisher Creek by tracer injection and synoptic sampling, Park County, Montana, August 1997
30. Quality of storm-water runoff in three watersheds in Elizabethtown, Kentucky
31. Preliminary report on the hydrogeology of Lake Five-O and vicinity, Bay County, Florida
32. Preliminary delineation and description of the regional aquifers of Tennessee : the Highland Rim aquifer system
33. Preliminary delineation and description of the regional aquifers of Tennessee : the Cretaceous aquifer system of west Tennessee
34. Preliminary delineation and description of the regional aquifers of Tennessee : the Central Basin aquifer system
35. Preliminary delineation and description of the regional aquifers of Tennessee : Tertiary aquifer system
36. Preliminary delineation and description of the regional aquifers of Tennessee : basal sandstone west of the Valley and Ridge Province
37. Potentiometric surface of the Turpentine Run basin aquifer in the Tutu area, eastern St. Thomas, U.S. Virgin Islands, September 11, 1987
38. Potentiometric levels and water quality in the aquifers underlying Belvidere, Illinois, 1993-96
39. Potential effects of structural controls and street sweeping on stormwater loads to the lower Charles River, Massachusetts
40. Potential effects of large floods on the transport of atrazine into the alluvial aquifer adjacent to the lower Platte River, Nebraska
41. Plan to evaluate the effects of hydrogeologic conditions and human activities on water quality in the coastal plain of New York and New Jersey
42. Physical and chemical characteristics of Terrace Reservoir, Conejos County, Colorado, May 1994 through May 1995
43. Pesticides in surface water of the Mid-Atlantic region
44. Pesticides and pesticide degradates in the East Fork Little Miami River and William H. Harsha Lake, southwestern Ohio, 1999-2000
45. Organic carbon trends, loads, and yields to the Sacramento-San Joaquin Delta, California, water years 1980-2000
46. Nitrate and selected pesticides in ground water of the Mid-Atlantic region
47. Measured and simulated runoff to the lower Charles River, Massachusetts, October 1999-September 2000
48. Measured and simulated runoff to the lower Charles River, Massachusetts, October 1999-September 2000
49. Map showing morphometry, bathymetry, and soft-sediment thickness of Plow Shop Pond and Grove Pond, Ayer, Massachusetts
50. Map of mean annual runoff for the northeastern, southeastern, and mid-Atlantic United States, water years 1951-80
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