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2. Pesticides in the lower Clackamas River basin, Oregon, 2000-01
3. Patterns and sources of fecal coliform bacteria in three streams in Virginia, 1999-2000
4. Peak-flow characteristics of Wyoming streams
5. Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001
6. Periphyton communities in streams of the Ozarks plateaus and their relations to selected environmental factors
7. Pesticides and pesticide degradates in the East Fork Little Miami River and William H. Harsha Lake, southwestern Ohio, 1999-2000
8. Pesticides in surface water in the lower Illinois River Basin, 1996-98
9. Pesticides in surface water in the lower Illinois River Basin, 1996-98
10. Phosphorus and E. coli and their relation to selected constituents during storm runoff conditions in Fanno Creek, Oregon, 1998-99
11. Phosphorus concentrations, loads, and yields in the Illinois River basin, Arkansas and Oklahoma, 1997-2001
12. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999
13. Possible extent and depth of salt contamination in ground water using geophysical techniques, Red River Aluminum site, Stamps, Arkansas, April 2003
14. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001
15. Potential for saltwater intrusion into the lower Tamiami aquifer near Bonita Springs, southwestern Florida
16. Precipitation-runoff simulations of current and natural streamflow conditions in the Methow River basin, Washington
17. Preliminary assessment of microbial communities and biodegradation of chlorinated volatile organic compounds in wetlands at Cluster 13, Lauderick Creek area, Aberdeen Proving Ground, Maryland
18. Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrate in ground water in Colorado
19. Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho
20. Public water-supply systems and associated water use in Tennessee, 2000
21. Pesticides in surface water of the Yakima River basin, Washington, 1999-2000 : their occurrence and an assessment of factors affecting concentrations and loads
22. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001
23. Potential effects of structural controls and street sweeping on stormwater loads to the lower Charles River, Massachusetts
24. Prediction of velocities for a range of streamflow conditions in Pennsylvania
25. Prediction of velocities for a range of streamflow conditions in Pennsylvania / by Lloyd A. Reed and Marla H. Stuckey ; in cooperation with the Pennsylvania Department of Environmental Protection
26. Preliminary estimates of spatially distributed net infiltration and recharge for the Death Valley Region, Nevada-California
27. Priority-pollutant trace elements in streambed sediments of the Cook Inlet basin, Alaska, 1998-2000
28. Probability distributions of hydraulic conductivity for the hydrogeologic units of the Death Valley regional ground-water flow system, Nevada and California
29. Pesticides in streams in the Tar-Pamlico drainage basin, North Carolina, 1992-94
30. Phosphorus and nitrogen concentrations and loads at Illinois River south of Siloam Springs, Arkansas, 1997-1999
31. Phosphorus and nitrogen concentrations and loads at Illinois River south of Siloam Springs, Arkansas, 1997-1999
32. Photogrammetric data set, 1957-2000, and bathymetric measurements for Columbia Glacier, Alaska
33. Photogrammetric data set, 1957-2000, and bathymetric measurements for Columbia Glacier, Alaska
34. Potential errors associated with stage-discharge relations for selected streamflow-gaging stations, Maricopa County, Arizona
35. Potential errors associated with stage-discharge relations for selected streamflow-gaging stations, Maricopa County, Arizona
36. Potentiometric surface of the Ozark aquifer in northern Arkansas, 2001
37. Potentiometric surface of the Ozark aquifer in northern Arkansas, 2001
38. Predevelopment water-level map of the Santa Fe Group aquifer system in the middle Rio Grande Basin between Cochiti Lake and San Acacia, New Mexico
39. Predevelopment water-level map of the Santa Fe Group aquifer system in the middle Rio Grande Basin between Cochiti Lake and San Acacia, New Mexico
40. Preliminary evaluation of the importance of existing hydraulic-head observation locations to advective-transport predictions, Death Valley regional flow system, California and Nevada
41. Pesticides detected in urban streams during rainstorms in King and Snohomish Counties, Washington, 1998
42. Pesticides in surface water measured at select sites in the Sacramento River basin, California, 1996-1998
43. Phosphorus and E. coli in the Fanno and Bronson Creek subbasins of the Tualatin River basin, Oregon, during summer low-flow conditions, 1996
44. Potentiometric surfaces of aquifers in the Cockfield Formation in southeastern Arkansas and the Wilcox Group in southern and northeastern Arkansas, 2000
45. Precipitation-runoff simulations for the upper part of the Truckee River basin, California and Nevada
46. Preliminary bathymetry of Shoup Basin and late Holocene changes of Shoup Glacier, Alaska
47. Preliminary effects of streambank fencing of pasture land on the quality of surface water in a small watershed in Lancaster County, Pennsylvania
48. Preliminary hydraulic analysis and implications for restoration of Noyes Slough, Fairbanks, Alaska
49. Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrite plus nitrate as nitrogen in ground water in the Idaho part of the western Snake River Plain
50. Pesticides in streams in New Jersey and Long Island, New York, and relation to land use
51. Pesticides in streams of the United States-initial results from the National Water-Quality Assessment Program
52. Pesticides in surface water in the Connecticut, Housatonic, and Thames River basins, 1992-95
53. The potential for saltwater intrusion in the Potomac aquifers of the York-James Peninsula, Virginia
54. Potentiometric levels and water quality in the aquifers underlying Belvidere, Illinois, 1993-96
55. Probability analysis of the relation of salinity to freshwater discharge in the St. Sebastian River, Florida
56. Processes affecting dissolved-oxygen concentrations in the lower reaches of Middle Fork and South Fork Beargrass Creek, Jefferson County, Kentucky
57. Public water-supply systems and associated water use in Tennessee, 1995
58. Peak-discharge frequency and potential extreme peak discharge for natural streams in the Brazos River basin, Texas
59. Pesticide concentrations in surface waters of New York State in relation to land use - 1997
60. Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, Central Columbia Plateau, Washington and Idaho, 1993-95
61. Pesticides in storm runoff from agricultural and urban areas in the Tuolumne River Basin in the vicinity of Modesto, California
62. Potentiometric surface of the Cockfield aquifer in southeastern Arkansas and the Wilcox aquifers in southern and northeastern Arkansas, October 1996-July 1997
63. Potentiometric surface of the Ozark aquifer in northern Arkansas, 1995
64. Potentiometric surface of the Sparta aquifer in eastern and south-central Arkansas and north-central Louisiana, and the Memphis aquifer in east-central Arkansas, October 1996-July 1997
65. Preliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs
66. Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrate (NO2+NO3-N) in ground water in the Idaho part of the Upper Snake River Basin
67. Pesticides in surface water of the Mid-Atlantic region
68. Physical and chemical characteristics of Terrace Reservoir, Conejos County, Colorado, May 1994 through May 1995
69. Potential effects of large floods on the transport of atrazine into the alluvial aquifer adjacent to the lower Platte River, Nebraska
70. Potentiometric surface and hydrologic conditions of the upper aquifer in the Manati-Vega Baja area, north central Puerto Rico, March 1995
71. Potentiometric surface and specific conductance of the Sparta and Memphis aquifers in eastern Arkansas, 1995
72. Potentiometric surfaces of the Potomac-Raritan-Magothy aquifer system near National Park, New Jersey
73. Precipitation-runoff and streamflow-routing models for the Willamette River Basin, Oregon
74. Preliminary conceptual models of the occurrence, fate, and transport of chlorinated solvents in karst regions of Tennessee
75. Preliminary delineation of natural geochemical reactions, Snake River Plain aquifer system, Idaho National Engineering Laboratory and vicinity, Idaho
76. A preliminary study of runoff of selected contaminants from rural Maine highways
77. Particulate, colloidal, and dissolved-phase associations of plutonium, americium, and uranium in water samples from well 1587 and surface-water sites SW-51 and SW-53 at the Rocky Flats Plant, Colorado
78. Peak-flow frequency and extreme flood potential for streams in the vicinity of the Highland Lakes, central Texas
79. Pesticides in surface water from three agricultural basins in south-central Georgia, 1993-95
80. Phosphorus dynamics in Delavan Lake Inlet, southeastern Wisconsin, 1994
81. Physical and chemical characteristics of Lake Powell at the forebay and outflows of Glen Canyon Dam, northeastern Arizona, 1990-91
82. Plan of study to quantify the hydrologic relations between the Rio Grande and the Santa Fe Group aquifer system near Albuquerque, central New Mexico
83. Postaudit of head and transmissivity estimates and ground-water flow models of Avra Valley, Arizona
84. Potential effects of climate change on streamflow, eastern and western slopes of the Sierra Nevada, California and Nevada
85. Potential effects of coal mining and road construction on the water quality of Scofield Reservoir and its drainage area, central Utah, October 1982 to October 1984
86. Potentiometric surface of the principal alluvial aquifers in the Rio Espiritu Santo to Rio Demajagua area, Puerto Rico, March 23-24,1994
87. Prediction of traveltime and longitudinal dispersion in rivers and streams
88. Physical and chemical limnology of Ides Cove near Rochester, New York, 1970-1982
89. Physical and hydrologic properties of outcrop samples from a nonwelded to welded tuff transition, Yucca Mountain, Nevada
90. Physical, chemical, and biological characteristics of three reservoirs in west-central Missouri, 1991-93
91. Pneumatic testing in 45-degree-inclined boreholes in ash-flow tuff near Superior, Arizona
92. Potential for chemical transport beneath a storm-runoff recharge (retention) basin for an industrial catchment in Fresno, California
93. Potential hydrologic effects of mining in the Humboldt River basin, northern Nevada
94. Potential-scour assessments and estimates of maximum scour at selected bridges in Iowa
95. Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993
96. Potentiometric-surface map, 1993, Yucca Mountain and vicinity, Nevada
97. Precipitation depth-duration and frequency characteristics for Antelope Valley, Mojave Desert, California
98. Presence, distribution, and potential sources of nitrate and selected pesticides in the surficial aquifer along the Straight River in north-central Minnesota, 1992-93
99. Processes controlling dissolved oxygen and pH in the upper Willamette River basin, Oregon, 1994
100. Performance characteristics of a bulk precipitation collector with respect to measurement of water isotopes oxygen-18 and deuterium
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