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2. 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
3. Partnership of environmental education and research : a compilation of student research, 1999-2008
4. Paso del Norte : la competencia por las aguas subterráneas transfronterizas
5. Passive diffusion bag samplers for volatile organic compounds in ground water
6. Passive sampling of groundwater wells for determination of water chemistry
7. Percentage change in saturated thickness of High Plains aquifer, west-central Kansas, 1950 to average ...
8. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1985-87
9. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1988-90
10. Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001
11. Performance monitoring of MNA remedies for VOCs in ground water
12. Permafrost and ground water in Alaska,
13. Permafrost and ground water in Alaska
14. Permeability of soils in Mississippi
15. Permeable groundwater pathways and tritium migration patterns from the HANDLEY underground nuclear test, Pahute Mesa, Nevada
16. Permeable reactive barrier : sustainable groundwater remediation
17. Permeable reactive barrier : sustainable groundwater remediation
18. Pesticide occurrence in groundwater in areas of high-density row crop production in Alabama, 2009
19. Pesticides and groundwater : hearing before the Subcommittee on Toxic Substances and Environmental Oversight of the Committee on Environment and Public Works, United States Senate, Ninety-ninth Congress, second session, September 9, 1986
20. Pesticides and groundwater quality : issues and problems in four states
21. Pesticides and volatile organic compounds in ground and surface water of the Palouse subunit, Washington and Idaho
22. Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, Central Columbia Plateau, Washington and Idaho, 1993-95
23. Pesticides in ground water : Albany County, Wyoming, 2003-04
24. Pesticides in ground water : background document
25. Pesticides in ground water : Campbell County, Wyoming, 2004-2005
26. Pesticides in ground water : Carbon County, Wyoming, 2004-2005
27. Pesticides in ground water : Converse County, Wyoming, 2003-04
28. Pesticides in ground water : current understanding of distribution and major influences
29. Pesticides in ground water : current understanding of distribution and major influences
30. Pesticides in ground water : Hot Springs County, Wyoming, 2003-04
31. Pesticides in ground water : Natrona County, Wyoming, 2001-02
32. Pesticides in ground water : Sublette County, Wyoming, 2004-2005
33. Pesticides in ground water : Sweetwater County, Wyoming, 2001-02
34. Pesticides in ground water : Sweetwater County, Wyoming, 2001-02
35. Pesticides in ground water : Sweetwater County, Wyoming, 2001-02
36. Pesticides in ground water : Teton County, Wyoming, 2001-02
37. Pesticides in ground water in the Western Lake Michigan Drainages, Wisconsin and Michigan, 1983-1995
38. Pesticides in ground water, Niobrara and Weston Counties, Wyoming, 2005-2006
39. Pesticides in ground water of central and western Maryland
40. Pesticides in ground water of the Maryland Coastal Plain
41. Pesticides in ground water of water of Wyoming, 1995-2006
42. Pesticides in ground water, Uinta County, Wyoming, 2002-2003
43. Pesticides in groundwater : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Second Congress, first session, May 8, 1991
44. Pesticides in groundwater in the Anacostia River and Rock Creek watersheds in Washington, D.C., 2005 and 2008
45. Pesticides in public supply wells of the Central Columbia Plateau
46. Pesticides in public supply wells of Washington state
47. Pesticides in soils and ground water in selected irrigated agricultural areas near Havre, Ronan, and Huntley, Montana
48. Pesticides in streams in central Nebraska
49. Pesticides in surface water, bed sediment, and ground water adjacent to commercial cranberry bogs, Lac du Flambeau Reservation, Vilas County, Wisconsin
50. Pesticides in Wyoming's groundwater, 2008-2010
51. Petrophysical properties, mineralogy, fractures, and flow tests in 25 deep boreholes at Yucca Mountain, Nevada
52. PHAST--a program for simulating ground-water flow, solute transport, and multicomponent geochemical reactions
53. Phenolic contamination in the sand-and-gravel aquifer from a surface impoundment of wood treatment wastes, Pensacola, Florida
54. Phosfate
55. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999
56. The physical and economic foundation of natural resources
57. Physical and hydrologic properties of water-bearing deposits in subsiding areas in central California
58. Physical and hydrologic properties of water-bearing deposits in subsiding areas in central California
59. Physical characteristics and quality of water from selected springs and wells in the Lincoln Point-Bird Island area, Utah Lake, Utah
60. Physical, chemical, and isotopic data from groundwater in the watershed of Mirror Lake, and in the vicinity of Hubbard Brook, near West Thornton, New Hampshire, 1983 to 1997
61. Physical extent, recharge areas, relative potential for recharge and contamination, and quality of water in the principal aquifers, western Kane County, Utah
62. Physical subdivision and description of the water-bearing sediments of the Santa Clara Valley, California
63. Physiography and superficial geology of the copper-nickel study region, northeastern Minnesota
64. Pilot project to optimize superfund financed pump and treat systems
65. Pilot project to optimize superfund financed pump and treat systems
66. Pilot study of natural attenuation of arsenic in well water discharged to the Little River above Lake Thunderbird, Norman, Oklahoma, 2012
67. Pilot-scale testing of dairy manure treatments to reduce nutrient transport from land application, northwest Ohio, 2015-17
68. A plan for study of natural and man-made hexavalent chromium, Cr(VI), in groundwater near a mapped plume, Hinkley, California
69. Plan of study for the northern Midwest regional aquifer-system analysis
70. Plan of study for the regional aquifer-system analysis of the Appalachian Valley and Ridge, Piedmont, and Blue Ridge physiographic provinces of the eastern and southeastern United States, with a description of study-area geology and hydrogeology
71. Plan of study to define hydrogeologic characteristics of the Madera Limestone in the east mountain area of central New Mexico
72. Plan to evaluate the effects of hydrogeologic conditions and human activities on water quality in the coastal plain of New York and New Jersey
73. Planet E. Episode 10, Arsenic : the creeping killer
74. Planning report for the Edwards-Trinity regional aquifer-system analysis in central Texas, southeast Oklahoma, and southwest Arkansas
75. Planning report for the Gulf Coast Regional Aquifer-System Analysis in the Gulf of Mexico coastal plain, United States
76. Plans and practices for groundwater protection at the Los Alamos National Laboratory : final report
77. Poison and the Pentagon
78. The poisoned dream, May 19, 1980
79. The politics of southwestern water
80. Pollutants in porous media : the unsaturated zone between soil surface and groundwater
81. Polluted groundwater : a review of the significant literature
82. Pond-aquifer interaction at South Pond of Lake Cochituate, Natick, Massachusetts
83. Possible effects of groundwater pumping on surface water in the Verde Valley, Arizona
84. Possible extent and depth of salt contamination in ground water using geophysical techniques, Red River Aluminum site, Stamps, Arkansas, April 2003
85. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001
86. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001
87. Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993
88. Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993
89. Potential corrosivity of untreated groundwater in Louisiana
90. Potential effects of deepening the St. Johns River navigation channel on saltwater intrusion in the surficial aquifer system, Jacksonville, Florida
91. Potential effects of individual sewage disposal system density on ground-water quality in the fractured-rock aquifer in the vicinity of Bailey, Park County, Colorado, 2001-2002
92. Potential effects of roadside dry wells on groundwater quality on the island of Hawai'i-- assessment using numerical groundwater models
93. Potential effects of surface coal mining on the hydrology of the Bloomfield coal tract, Dawson County, eastern Montana
94. Potential effects of surface coal mining on the hydrology of the Little Bear Creek area, Moorhead coal field, southeastern Montana
95. Potential effects of the Hawaii Geothermal Project on ground-water resources on the island of Hawaii
96. Potential for ground-water contamination from movement of wastewater through the unsaturated zone, upper Mojave River Basin, California
97. Potential for ground-water development in central Volusia County, Florida
98. Potential for leakage among principal aquifers in the Memphis area, Tennessee
99. Potential for updip movement of salinewater in the Edwards Aquifer, San Antonio, Texas
100. Potential hydrologic effects of ground-water withdrawals from the Dakota Aquifer, southwestern Kansas
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