Topic: 3 selected - OpenAGRICOLA Search Results

1. Temporal and spatial variations of ions, isotopes and agricultural contaminants in surface waters and groundwater of Nebraska's rainwater basin wetland region

Published:: 2010
Author:: Foster, Sarah E.
View in NAL's Catalog:: CAT31074134
Format:: Electronic

2. Field sampling methods for remedial investigations /

Published:: 2009
Author:: Byrnes, Mark E.
View in NAL's Catalog:: CAT31015631
Format:: Book

3. Pesticides in domestic wells

Article Title:: ASAE technical library
Published:: 2003
Author:: Ray, Chittaranjan.
View in NAL's Catalog:: CAT30989738
Format:: Electronic

4. A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /

Published:: 1998
Author:: Smith, Charles Nicholas, 1942-
View in NAL's Catalog:: CAT30972060
Format:: Book

5. Threatened waters : turning the tide on pesticide contamination /

Published:: 2006
View in NAL's Catalog:: CAT30971308
Format:: Book

6. Gulf of Mexico Integrated Science, Tampa Bay Study the impact of groundwater and contaminants on Tampa Bay.

Published:: 2005
View in NAL's Catalog:: CAT30963694
Format:: Microfilm

7. Bacteria in water wells /

Published:: 2003
Author:: Waskom, R. M.
View in NAL's Catalog:: CAT30954225
Format:: Book

8. Southern California Groundwater Remediation Act report (to accompany H.R. 4606) (including cost estimate of the Congressional Budget Office).

Published:: 2004
View in NAL's Catalog:: CAT30948649
Format:: Microfilm

9. Groundwater and its susceptibility to degradation : a global assessment of the problem and options for management /

Published:: 2003
View in NAL's Catalog:: CAT30941296
Format:: Book

10. Assessment of volatile organic compounds in surface water at West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1999

Published:: 2000
Author:: Olsen, Lisa D.
View in NAL's Catalog:: CAT30939553
Format:: Microfilm

11. A pilot study for delineation of areas contributing water to wellfields at Jackson, Tennessee

Published:: 1991
Author:: Broshears, Robert E.
View in NAL's Catalog:: CAT30939407
Format:: Electronic

12. The Iowa state-wide rural well-water survey : site and well characteristics and water quality /

Published:: 1992
View in NAL's Catalog:: CAT30936178
Format:: Book

13. Processes affecting the trihalomethane concentrations associated with the third injection, storage, and recovery test at Lancaster, Antelope Valley, California, March 1998 through April 1999

Published:: 2003
View in NAL's Catalog:: CAT30934778
Format:: Electronic

14. Evaluation of the source and transport of high nitrate concentrations in ground water, Warren subbasin, California

Published:: 2003
View in NAL's Catalog:: CAT30934773
Format:: Electronic

15. Aquifer susceptibility in Virginia, 1998-2000

Published:: 2003
View in NAL's Catalog:: CAT30933228
Format:: Electronic

16. Evaluation of passive diffusion bag samplers in selected wells at the Naval Surface Warfare Center, Louisville, Kentucky, July 1999 to January 2000

Published:: 2001
Author:: Vroblesky, Don A.
View in NAL's Catalog:: CAT30931495
Format:: Microfilm

17. Oxygenates in water critical information and research needs.

Published:: 1999
View in NAL's Catalog:: CAT30928677
Format:: Microfilm

18. Assessment of sources of elevated nitrate in ground water in Northwest Ada County, Idaho, using environmental isotopes /

Published:: 1999
Author:: Howarth, Robert Brett.
View in NAL's Catalog:: CAT30920033
Format:: Book

19. Occurrence and implications of methyl tert-butyl ether and gasoline hydrocarbons in ground water and source water in the United States and in drinking water in 12 northeast and mid-atlantic states, 1993-2002 /

Published:: 2004
Author:: Moran, Michael J. 1962-
View in NAL's Catalog:: CAT30919881
Format:: Book

20. Water quality in the nation's streams and aquifers : overview of selected findings, 1991-2001 /

Published:: 2004
Author:: Hamilton, Pixie A.
View in NAL's Catalog:: CAT30919732
Format:: Book

21. Pesticides in southern Willamette Valley groundwater /

Published:: 2004
Author:: Selker, John S.
View in NAL's Catalog:: CAT30918000
Format:: Book

22. Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho /

Published:: 2003
Author:: Skinner, K. D.
View in NAL's Catalog:: CAT30916079
Format:: Book

23. Gestión y contaminación de recursos hídricos /

Published:: 2003
View in NAL's Catalog:: CAT30908684
Format:: Book

24. Evaluación y seguimiento de plaguicidas en aguas subterráneas y superficiales /

Published:: 2002
View in NAL's Catalog:: CAT30908375
Format:: Book

25. Reactive-transport simulation of phosphorus in the sewage plume at the Massachusetts Military Reservation, Cape Cod, Massachusetts /

Published:: 2003
Author:: Parkhurst, David L.
View in NAL's Catalog:: CAT11137841
Format:: Book

26. Modeling

Published:: 2002
Author:: Makuch, Joe.
View in NAL's Catalog:: CAT11136317
Format:: Electronic

27. Natural attenuation of chlorinated-hydrocarbon contamination at Fort Wainwright, Alaska a hydrogeochemical and microbiological investigation workplan /

Published:: 1998
View in NAL's Catalog:: CAT11135270
Format:: Microfilm

28. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999 /

Published:: 2003
View in NAL's Catalog:: CAT11134655
Format:: Book

29. Comparison of vapor concentrations of volatile organic compounds with ground-water concentrations of selected contaminants in sediments beneath the Sudbury River, Ashland, Massachusetts, 2000

Published:: 2002
Author:: Campbell, J. P.
View in NAL's Catalog:: CAT11133107
Format:: Microfilm

30. Runoff from citrus orchard middles comparison of three herbicides and effect of organosilicon surfactant /

Published:: 1997
Author:: Spurlock, E.
View in NAL's Catalog:: CAT11132391
Format:: Electronic

31. Ages and types of herbicide residues in well waters of Fresno and Tulare counties, California abstract /

Published:: 1997
Author:: Spurlock, F.
View in NAL's Catalog:: CAT11131740
Format:: Electronic

32. Distribution and mass loss of volatile organic compounds in the surficial aquifer at sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, November 2000-February 2001 /

Published:: 2002
Author:: Barbaro, Jeffrey R. 1960-
View in NAL's Catalog:: CAT11130792
Format:: Book

33. A national look at nitrate contamination of ground water

Published:: 1998
View in NAL's Catalog:: CAT11130336
Format:: Electronic

34. Willamette Basin, Oregon nitrogen in streams and ground water, 1980-90 /

Published:: 1996
Author:: Bonn, Bernadine.
View in NAL's Catalog:: CAT11128028
Format:: Microfilm

35. Water Quality & Ecological Processes Research Unit

Published:: 2002
View in NAL's Catalog:: CAT11117213
Format:: Electronic

36. Nitrate and groundwater /

Published:: 1991
Author:: Mahler, Robert Louis, 1954-
View in NAL's Catalog:: CAT11114422
Format:: Book

37. Mekanisme denitrifikasi dan hubungannya dengan kandungan senyawa nitrogen toksik dalam air tanah di pulau Lombok /

Published:: 1998
Author:: Yasin, Ismail.
View in NAL's Catalog:: CAT11112491
Format:: Book

38. Estimates of nitrogen loads entering Long Island Sound from ground water and streams on Long Island, New York, 1985-96 /

Published:: 2001
Author:: Scorca, Michael P.
View in NAL's Catalog:: CAT11108208
Format:: Book

39. Uranium and radon in ground water in the lower Illinois River basin /

Published:: 2001
Author:: Morrow, William S.
View in NAL's Catalog:: CAT11108200
Format:: Book

40. Suivi environnemental des pesticides dans des régions de vergers de pommiers : rapport d'échantillonnage de petits cours d'eau et de l'eau souterraine au Québec en 1994, 1995 et 1996 /

Published:: 1998
Author:: Giroux, Isabelle, 1960-
View in NAL's Catalog:: CAT11069459
Format:: Book

41. Reconnaissance of arsenic in surface and ground water along the Madison and upper Missouri rivers, southwestern and west-central Montana /

Published:: 2001
Author:: Tuck, L. K.
View in NAL's Catalog:: CAT11101149
Format:: Book

42. Occurrence of pesticides in streams and ground water in the Puget Sound basin, Washington, and British Columbia, 1996-98 /

Published:: 2000
Author:: Bortleson, Gilbert Carl, 1940-
View in NAL's Catalog:: CAT11090836
Format:: Book

43. Water-quality assessment of the Trinity River Basin, Texas : ground-water quality of the Trinity, Carrizo-Wilcox, and Gulf Coast aquifers, February-August 1994 /

Published:: 2000
Author:: Reutter, David C.
View in NAL's Catalog:: CAT11089519
Format:: Book

44. Delineation of discharge areas of two contaminant plumes by use of diffusion samplers, Johns Pond, Cape Cod, Massachusetts, 1998 /

Published:: 2000
View in NAL's Catalog:: CAT11069966
Format:: Book

45. Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996 /

Published:: 1999
Author:: Kimball, Briant A.
View in NAL's Catalog:: CAT11069334
Format:: Book

46. Drinking water /

Published:: 1991
Author:: Morandi, Larry B.
View in NAL's Catalog:: CAT10631996
Format:: Book

47. A spatial and statistical assessment of the vulnerability of Texas groundwater to nitrate contamination

Published:: 1997
Author:: Evans, Thomas Anders.
View in NAL's Catalog:: CAT11062835
Format:: eBook

48. Water, phosphorus, nitrogen, and chloride budgets for Lake Alice, Florida, and documentation of the effects of wastewater removal /

Published:: 1996
Author:: Korhnak, Lawrence Victor, 1954-
View in NAL's Catalog:: CAT11063349
Format:: Book

49. The Iowa state-wide rural well-water survey design report : a systematic sample of domestic drinking water quality /

Published:: 1990
View in NAL's Catalog:: CAT10876610
Format:: Book

50. Pesticides and volatile organic compounds in ground and surface water of the Palouse subunit, Washington and Idaho

Published:: 1996
Author:: Roberts, Lonna M.
View in NAL's Catalog:: CAT10874498
Format:: eBook

51. Synoptic survey of septic indicators in streams and springs at Monte Sano Mountain, Madison County, Alabama, January 29-31, 1998 /

Published:: 1999
Author:: McPherson, Ann K.
View in NAL's Catalog:: CAT10873714
Format:: Book

52. Nitrate concentrations in ground water of the central Columbia Plateau

Published:: 1998
Author:: Ryker, Sarah J.
View in NAL's Catalog:: CAT10872230
Format:: eBook

53. Farming practices for groundwater protection

Published:: 1992
Author:: Adams, Edward B.
View in NAL's Catalog:: CAT10864641
Format:: eBook

54. A survey of ground-water quality in the Toppenish Creek basin, Yakama Indian Reservation, Washington, 1989-91 /

Published:: 1998
Author:: Sumioka, S. S.
View in NAL's Catalog:: CAT10862830
Format:: Book

55. In situ bioremediation of trichloroethylene using Burkholderia cepacia G4 PR1 : analysis of microbial ecology parameters for risk assessment /

Published:: 1998
Author:: Snyder, Richard A.
View in NAL's Catalog:: CAT10862470
Format:: Book

56. Nitrate in the ground waters of the United States assessing the risk /

Published:: 1997
Author:: Nolan, Bernard T.
View in NAL's Catalog:: CAT10861643
Format:: Electronic

57. Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, central Columbia Plateau, Washington and Idaho, 1993-95 /

Published:: 1998
Author:: Wagner, Richard J.
View in NAL's Catalog:: CAT10859620
Format:: Book

58. Nitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96 /

Published:: 1998
Author:: Chen, A. H.
View in NAL's Catalog:: CAT10858662
Format:: Book

59. Bioaugmentation with Burkholderia cepacia PR1₃₀₁ for in situ bioremediation of trichloroethylene contaminated water /

Published:: 1998
View in NAL's Catalog:: CAT10855068
Format:: Book

60. In-situ bioremediation of nitrate-contaminated ground water : a pilot test, Julesburg, Colorado, 1996-97 /

Published:: 1998
Author:: McMahon, Peter B.
View in NAL's Catalog:: CAT10853188
Format:: Book

61. Groundwater pollution, aquifer recharge and vulnerability /

Published:: 1998
View in NAL's Catalog:: CAT10851557
Format:: Book

62. Nitrate in ground water and stream base flow in the lower Susquehanna River Basin, Pennsylvania and Maryland /

Published:: 1997
Author:: Lindsey, Bruce D., 1962-
View in NAL's Catalog:: CAT10841876
Format:: Book

63. Delineation of wellhead protection areas using particle tracking analysis and hydrogeologic mapping, northern Anne Arundel County, Maryland /

Published:: 1995
Author:: Wilson, John M.
View in NAL's Catalog:: CAT10836301
Format:: Book

64. Overview of environmental and hydrogeologic conditions at Chandalar Lake, Alaska

Published:: 1995
Author:: Cowan, James R.
View in NAL's Catalog:: CAT10833403
Format:: Microfilm

65. Contamination of ground water, surface water, and soil, and evaluation of selected ground-water pumping alternatives in the Canal Creek area of Aberdeen Proving Ground, Maryland

Published:: 1996
Author:: Lorah, Michelle M.
View in NAL's Catalog:: CAT10833013
Format:: Microfilm

66. Is someone contaminating-- your drinking water? : an overview of potentially harmful shallow injection wells.

Published:: 1990
View in NAL's Catalog:: CAT10825170
Format:: Book

67. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993 /

Published:: 1996
View in NAL's Catalog:: CAT10823668
Format:: Book

68. Nitrate and ammonia in shallow ground water, Carson City urban area, Nevada, 1989 /

Published:: 1996
Author:: Lawrence, Stephen J.
View in NAL's Catalog:: CAT10823286
Format:: Book

69. Ground water pollution potential of Logan County, Ohio /

Published:: 1995
Author:: Sprowls, Katherine M.
View in NAL's Catalog:: CAT10743302
Format:: Book

70. Hydrology and geochemistry of aquifer and stream contamination related to acidic water in Pinal Creek Basin near Globe, Arizona /

Published:: 1996
View in NAL's Catalog:: CAT10816975
Format:: Book

71. Environmental resource guide : nonpoint source pollution prevention : a series of classroom activities for grades 3-5 /

Published:: 1993
View in NAL's Catalog:: CAT10816182
Format:: Book

72. Environmental resource guide : nonpoint source pollution prevention : a series of classroom activities for grades K-2 /

Published:: 1993
View in NAL's Catalog:: CAT10816181
Format:: Book

73. Environmental resource guide : nonpoint source pollution prevention : a series of classroom activities for grades 6-8 /

Published:: 1992
View in NAL's Catalog:: CAT10816179
Format:: Book

74. Environmental resource guide : nonpoint source pollution prevention : a series of classroom activities for grades 9-12 /

Published:: 1993
View in NAL's Catalog:: CAT10697590
Format:: Book

75. Potential groundwater contamination from intentional and nonintentional stormwater infiltration /

Author:: Pitt, Robert.
View in NAL's Catalog:: CAT10757035
Format:: Book

76. The report of the EPA/State Feedlot Workgroup.

Published:: 1993
View in NAL's Catalog:: CAT10756675
Format:: Book

77. Trends in chloride, dissolved-solids, and nitrate concentrations in ground water, Carson Valley and Topaz Lake Areas, Douglas County, Nevada, 1959-88 /

Published:: 1996
Author:: Thodal, Carl E.
View in NAL's Catalog:: CAT10752106
Format:: Book

78. Pesticides and their breakdown products in Minnesota groundwater /

Published:: 1993
View in NAL's Catalog:: CAT10740290
Format:: Book

79. Quality of surface water and ground water in the proposed artificial-recharge project area, Rillito Creek Basin, Tucson, Arizona, 1994 /

Published:: 1995
Author:: Tadayon, Saeid.
View in NAL's Catalog:: CAT10745388
Format:: Book

80. Sediment-water column nutrient exchanges in southern Chesapeake Bay nearshore environments /

Published:: 1995
Author:: Reay, William Glendon.
View in NAL's Catalog:: CAT10705047
Format:: Book

81. Development of sampling plans, protocols and reports /

Published:: 1995
Author:: Thurnblad, Tim.
View in NAL's Catalog:: CAT10701214
Format:: Book

82. Ground water quality and its contamination from non-point sources in California /

Published:: 1994
View in NAL's Catalog:: CAT10703409
Format:: Book

83. Final report of the citizens panel on agriculture and water quality /

Published:: 1985
View in NAL's Catalog:: CAT10549130
Format:: Book

84. Directory of water resources expertise in Minnesota universities and colleges.

Published:: 1994
View in NAL's Catalog:: CAT10697175
Format:: Book

85. Illinois' nonpoint source management program.

Published:: 1994
View in NAL's Catalog:: CAT10692363
Format:: Book

86. Pesticides in ground and surface water /

Published:: 1994
View in NAL's Catalog:: CAT10692718
Format:: Book

87. State groundwater regulation : guide to laws, standards, and risk assessment /

Published:: 1994
Author:: Benjamin, Sally.
View in NAL's Catalog:: CAT10685714
Format:: Book

88. Nitrateintrag in das Grundwasser unter Waldgebieten in Bayern /

Published:: 1992
View in NAL's Catalog:: CAT10670560
Format:: Book

89. Field sampling methods for remedial investigations /

Published:: 1994
Author:: Byrnes, Mark E.
View in NAL's Catalog:: CAT10659308
Format:: Book

90. Deterministische und stochastische Ansätze zur Modellierung des Stickstoffhaushalts landwirtschaftlich genutzter Flächen auf unterschiedlichem Skalenniveau /

Published:: 1992
Author:: Huwe, Bernd, 1951-
View in NAL's Catalog:: CAT10670424
Format:: Book

91. Final report, Thirty County Ground Water Monitoring Program in Florida : submitted to the Florida Pesticide Review Council December 3, 1993 /

Published:: 1993
Author:: Shahane, Ashok N.
View in NAL's Catalog:: CAT10658333
Format:: Book

92. Ground-water quality at the management systems evaluation area near Princeton, Minnesota, 1991-92 /

Published:: 1993
View in NAL's Catalog:: CAT10637244
Format:: Book

93. Animal waste technology a legislative history /

Published:: 1990
View in NAL's Catalog:: CAT10866352
Format:: VHS

94. Nonpoint source pollution best management practices /

Published:: 1990
View in NAL's Catalog:: CAT10865649
Format:: VHS

95. Ground water vulnerability assessment : contamination potential under conditions of uncertainty /

Published:: 1993
View in NAL's Catalog:: CAT10656900
Format:: Book

96. Nonpoint source water pollution : causes, consequences, and cures /

Published:: 1992
View in NAL's Catalog:: CAT10631786
Format:: Book

97. Sediment-water column nutrient exchanges in southern Chesapeake Bay nearshore environments /

Published:: 1993
Author:: Reay, William Glendon.
View in NAL's Catalog:: CAT10638716
Format:: Book

98. Development, description, and application of a geographic information system data base for water resources in karst terrane in Greene County, Missouri /

Published:: 1993
Author:: Waite, Loyd A.
View in NAL's Catalog:: CAT93512275
Format:: Book

99. Pesticides in ground water database : a compilation of monitoring studies : 1971-1991 /

Published:: 1992
View in NAL's Catalog:: CAT93509217
Format:: Book

100. Ground water pollution potential, Ashtabula County, Ohio /

Published:: 1991
Author:: Aller, Linda.
View in NAL's Catalog:: CAT93502592
Format:: Book

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1. Temporal and spatial variations of ions, isotopes and agricultural contaminants in surface waters and groundwater of Nebraska's rainwater basin wetland region

2. Field sampling methods for remedial investigations /

3. Pesticides in domestic wells

4. A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /

5. Threatened waters : turning the tide on pesticide contamination /

6. Gulf of Mexico Integrated Science, Tampa Bay Study the impact of groundwater and contaminants on Tampa Bay.

7. Bacteria in water wells /

8. Southern California Groundwater Remediation Act report (to accompany H.R. 4606) (including cost estimate of the Congressional Budget Office).

9. Groundwater and its susceptibility to degradation : a global assessment of the problem and options for management /

10. Assessment of volatile organic compounds in surface water at West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1999

11. A pilot study for delineation of areas contributing water to wellfields at Jackson, Tennessee

12. The Iowa state-wide rural well-water survey : site and well characteristics and water quality /

13. Processes affecting the trihalomethane concentrations associated with the third injection, storage, and recovery test at Lancaster, Antelope Valley, California, March 1998 through April 1999

14. Evaluation of the source and transport of high nitrate concentrations in ground water, Warren subbasin, California

15. Aquifer susceptibility in Virginia, 1998-2000

16. Evaluation of passive diffusion bag samplers in selected wells at the Naval Surface Warfare Center, Louisville, Kentucky, July 1999 to January 2000

17. Oxygenates in water critical information and research needs.

18. Assessment of sources of elevated nitrate in ground water in Northwest Ada County, Idaho, using environmental isotopes /

19. Occurrence and implications of methyl tert-butyl ether and gasoline hydrocarbons in ground water and source water in the United States and in drinking water in 12 northeast and mid-atlantic states, 1993-2002 /

20. Water quality in the nation's streams and aquifers : overview of selected findings, 1991-2001 /

21. Pesticides in southern Willamette Valley groundwater /

22. Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho /

23. Gestión y contaminación de recursos hídricos /

24. Evaluación y seguimiento de plaguicidas en aguas subterráneas y superficiales /

25. Reactive-transport simulation of phosphorus in the sewage plume at the Massachusetts Military Reservation, Cape Cod, Massachusetts /

26. Modeling

27. Natural attenuation of chlorinated-hydrocarbon contamination at Fort Wainwright, Alaska a hydrogeochemical and microbiological investigation workplan /

28. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999 /

29. Comparison of vapor concentrations of volatile organic compounds with ground-water concentrations of selected contaminants in sediments beneath the Sudbury River, Ashland, Massachusetts, 2000

30. Runoff from citrus orchard middles comparison of three herbicides and effect of organosilicon surfactant /

31. Ages and types of herbicide residues in well waters of Fresno and Tulare counties, California abstract /

32. Distribution and mass loss of volatile organic compounds in the surficial aquifer at sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, November 2000-February 2001 /

33. A national look at nitrate contamination of ground water

34. Willamette Basin, Oregon nitrogen in streams and ground water, 1980-90 /

35. Water Quality & Ecological Processes Research Unit

36. Nitrate and groundwater /

37. Mekanisme denitrifikasi dan hubungannya dengan kandungan senyawa nitrogen toksik dalam air tanah di pulau Lombok /

38. Estimates of nitrogen loads entering Long Island Sound from ground water and streams on Long Island, New York, 1985-96 /

39. Uranium and radon in ground water in the lower Illinois River basin /

40. Suivi environnemental des pesticides dans des régions de vergers de pommiers : rapport d'échantillonnage de petits cours d'eau et de l'eau souterraine au Québec en 1994, 1995 et 1996 /

41. Reconnaissance of arsenic in surface and ground water along the Madison and upper Missouri rivers, southwestern and west-central Montana /

42. Occurrence of pesticides in streams and ground water in the Puget Sound basin, Washington, and British Columbia, 1996-98 /

43. Water-quality assessment of the Trinity River Basin, Texas : ground-water quality of the Trinity, Carrizo-Wilcox, and Gulf Coast aquifers, February-August 1994 /

44. Delineation of discharge areas of two contaminant plumes by use of diffusion samplers, Johns Pond, Cape Cod, Massachusetts, 1998 /

45. Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996 /

46. Drinking water /

47. A spatial and statistical assessment of the vulnerability of Texas groundwater to nitrate contamination

48. Water, phosphorus, nitrogen, and chloride budgets for Lake Alice, Florida, and documentation of the effects of wastewater removal /

49. The Iowa state-wide rural well-water survey design report : a systematic sample of domestic drinking water quality /

50. Pesticides and volatile organic compounds in ground and surface water of the Palouse subunit, Washington and Idaho

51. Synoptic survey of septic indicators in streams and springs at Monte Sano Mountain, Madison County, Alabama, January 29-31, 1998 /

52. Nitrate concentrations in ground water of the central Columbia Plateau

53. Farming practices for groundwater protection

54. A survey of ground-water quality in the Toppenish Creek basin, Yakama Indian Reservation, Washington, 1989-91 /

55. In situ bioremediation of trichloroethylene using Burkholderia cepacia G4 PR1 : analysis of microbial ecology parameters for risk assessment /

56. Nitrate in the ground waters of the United States assessing the risk /

57. Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, central Columbia Plateau, Washington and Idaho, 1993-95 /

58. Nitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96 /

59. Bioaugmentation with Burkholderia cepacia PR1₃₀₁ for in situ bioremediation of trichloroethylene contaminated water /

60. In-situ bioremediation of nitrate-contaminated ground water : a pilot test, Julesburg, Colorado, 1996-97 /

61. Groundwater pollution, aquifer recharge and vulnerability /

62. Nitrate in ground water and stream base flow in the lower Susquehanna River Basin, Pennsylvania and Maryland /

63. Delineation of wellhead protection areas using particle tracking analysis and hydrogeologic mapping, northern Anne Arundel County, Maryland /

64. Overview of environmental and hydrogeologic conditions at Chandalar Lake, Alaska

65. Contamination of ground water, surface water, and soil, and evaluation of selected ground-water pumping alternatives in the Canal Creek area of Aberdeen Proving Ground, Maryland

66. Is someone contaminating-- your drinking water? : an overview of potentially harmful shallow injection wells.

67. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993 /

68. Nitrate and ammonia in shallow ground water, Carson City urban area, Nevada, 1989 /

69. Ground water pollution potential of Logan County, Ohio /

70. Hydrology and geochemistry of aquifer and stream contamination related to acidic water in Pinal Creek Basin near Globe, Arizona /

71. Environmental resource guide : nonpoint source pollution prevention : a series of classroom activities for grades 3-5 /