1. A national survey of methyl tert-butyl ether and other volatile organic compounds in drinking-water sources : results of the randon [i.e. random] survey Author/Creator: Grady, Stephen J. Publication/Creation: East Hartford, CT : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Format: Book Access & Availability: Loading
2. National water quality assessment of the Georgia-Florida Coastal Plain Study Unit : water withdrawals and treated wastewater discharges, 1990 Author/Creator: Marella, Richard L., author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1996 Format: Book Access & Availability: Loading
3. National Water-Quality Assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York : environmental and hydrologic setting Author/Creator: Casey, George D., author Publication/Creation: Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
4. Natural and human factors affecting shallow water quality in surficial aquifers in the Connecticut, Housatonic, and Thames River basins Author/Creator: Grady, Stephen J., author Publication/Creation: Marlborough, Massachusetts : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
5. Natural attenuation assessment of contaminated ground water at a gas-turbine manufacturing plant, Greenville, South Carolina Author/Creator: Vroblesky, Don A., author Publication/Creation: Columbia, South Carolina : U.S. Dept. of the Interior, U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
6. Natural attenuation of chlorinated volatile organic compounds in a freshwater tidal wetland, Aberdeen Proving Ground, Maryland Author/Creator: Lorah, Michelle M., author Publication/Creation: Baltimore, Maryland : U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
7. Natural attenuation of chlorinated volatile organic compounds in ground water at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington Publication/Creation: Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Format: Book Access & Availability: Loading
8. Natural attenuation of chlorinated volatile organic compounds in ground water at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington Author/Creator: Dinicola, R. S. (Richard Steven) Publication/Creation: Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Format: Book Access & Availability: Loading
9. Natural flow and water consumption in the Milk River basin, Montana and Alberta, Canada Author/Creator: Thompson, R. E. (Ronald E.), author Publication/Creation: [Helena, Mont.] : U.S. Geological Survey, [1986?] Format: Book Access & Availability: Loading
10. Natural radioactivity in, and inorganic chemistry of, ground water in the Kirkwood-Cohansey aquifer system, southern New Jersey, 1983-89 Author/Creator: Kozinski, Jane, author Publication/Creation: West Trenton, New Jersey : U.S. Geological Survey, 1995 Format: Book Access & Availability: Loading
11. Near-real-time simulation and internet-based delivery of forecast-flood inundation maps using two-dimensional hydraulic modeling : a pilot study of the Snoqualmie River, Washington Author/Creator: Jones, Joseph L., 1958- Publication/Creation: Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Format: Book Access & Availability: Loading
12. A new cation-exchange method for accurate field speciation of hexavalent chromium Author/Creator: Ball, J. W. Publication/Creation: Boulder, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Format: Book Access & Availability: Loading
13. Nitrate and other water-quality characteristics, and nitrogen in the unsaturated zone, in the Red Willow and Hitchcock counties special protection area, southwest Nebraska, 1993-95 Author/Creator: Steele, G. V., author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
14. Nitrate and pesticides in ground water of the eastern San Joaquin Valley, California : occurrence and trends Author/Creator: Burow, Karen R., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
15. Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96 Author/Creator: Ruhl, J. F., author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
16. Nitrate and selected pesticides in ground water of the Mid-Atlantic region Author/Creator: Ator, Scott W., author Publication/Creation: Baltimore, Maryland : United States Geological Survey, 1997 Format: Book Access & Availability: Loading
17. Nitrate concentrations, 1936-99, and pesticide concentrations, 1990-99, in the unconfined aquifer in the San Luis Valley, Colorado Author/Creator: Stogner, Robert W., author Publication/Creation: Albuquerque, New Mexico : U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading
18. Nitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96 Author/Creator: Chen, Abraham H., author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
19. Nitrate in ground water and spring water near four dairy farms in North Florida, 1990-93 Author/Creator: Andrews, William J., 1962- author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1994 Format: Book Access & Availability: Loading
20. Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
21. Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland Author/Creator: Bachman, L. Joseph, author Publication/Creation: Towson, Maryland : U.S. Geological Survey, 1984 Format: Book Access & Availability: Loading
22. Nitrate (NO₂+NO₃-N) in ground water of the Upper Snake River Basin, Idaho and western Wyoming, 1991-95 Author/Creator: Rupert, Michael, 1959- author Publication/Creation: Boise, Idaho : U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
23. Nitrate source indicators in ground water of the Scimitar Subdivision, Peters Creek area, Anchorage, Alaska Author/Creator: Wang, Bronwen Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Format: Book Access & Availability: Loading
24. Nitrate, volatile organic compounds, and pesticides in ground water--a summary of selected studies from New Jersey and Long Island, New York Publication/Creation: West Trenton, N.J. : U.S. Dept. of the Interior, U.S. Geological Survey, 1999 Format: Book Access & Availability: Loading
25. Nitrogen and pesticide concentrations in an agricultural basin in north-central Connecticut Author/Creator: Mullaney, John R., author Publication/Creation: Marlborough, Massachusetts : U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
26. Nitrogen and phosphorus concentrations and fluxes of streams in the Mississippi Embayment Study Unit, 1996-98 Author/Creator: Coupe, Richard H. 1954- (Richard Henry), author Publication/Creation: Pearl, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 2002 Format: Book Access & Availability: Loading
27. Nitrogen and phosphorus in streams of the Great Miami River Basin, Ohio, 1998-2000 Author/Creator: Reutter, David C. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Format: Book Access & Availability: Loading
28. Nitrogen, sulfate, chloride, and manganese in ground water in the alluvial deposits of the South Platte River Valley near Greeley, Weld County, Colorado Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
29. Nitrogen transport in a shallow outwash aquifer at Olean, Cattaraugus County, New York Author/Creator: Yager, Richard M., author Publication/Creation: Ithaca, New York : U.S. Geological Survey, 1988 Format: Book Access & Availability: Loading
30. Nomenclature of regional hydrogeologic units of the Southeastern Coastal Plain aquifer system Author/Creator: Miller, James A. 1939- (James Anderson), author Publication/Creation: Atlanta, Georgia : U.S. Geological Survey, 1988 Format: Book Access & Availability: Loading
31. Nonlinear-regression flow model of the Gulf Coast aquifer systems in the south-central United States Author/Creator: Kuiper, Logan K., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1994 Format: Book Access & Availability: Loading
32. Nonpoint-source agricultural chemicals in ground water in Nebraska : preliminary results for six areas of the High Plains aquifer Author/Creator: Chen, Hsiu-Hsiung, 1937- author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1987 Format: Book Access & Availability: Loading
33. Nonpoint-source discharges and water quality of the Elk Creek Basin, west-central Wisconsin Author/Creator: Field, Stephen J. 1935- (Stephen John), author Publication/Creation: [Reston, Virginia] : U.S. Geological Survey, 1985 Format: Book Access & Availability: Loading
34. Numerical simulation of advective-dispersive multisolute transport with sorption, ion exchange, and equilibrium chemistry Author/Creator: Lewis, Frank M., author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 1986 Format: Book Access & Availability: Loading
35. Numerical simulation of air- and water-flow experiments in a block of variably saturated, fractured tuff from Yucca Mountain, Nevada Author/Creator: Kwicklis, E. M., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
36. Numerical simulation of ground-water flow and assessment of the effects of artificial recharge in the Rialto-Colton basin, San Bernardino County, California Author/Creator: Woolfenden, Linda R. Publication/Creation: Sacramento, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading
37. Numerical simulation of ground-water flow and land subsidence at Edwards Air Force Base, Antelope Valley, California Author/Creator: Nishikawa, Tracy, author Publication/Creation: Sacramento, California : U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading
38. Numerical simulation of ground-water flow in La Crosse County, Wisconsin, and into nearby pools of the Mississippi River Author/Creator: Hunt, R. J. Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Format: Book Access & Availability: Loading
39. Numerical simulation of ground-water flow in lower Satus Creek Basin, Yakima Indian reservation, Washington Author/Creator: Prych, Edmund A., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading
40. Numerical simulation of ground-water flow paths and discharge locations at Puget Sound Naval Shipyard, Bremerton, Washington Author/Creator: Pyrch, Edmund A., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
41. Numerical simulation of ground-water withdrawals in the southern Lihue Basin, Kauai, Hawaii Author/Creator: Izuka, Scot K. Publication/Creation: Honolulu, Hawaii : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Format: Book Access & Availability: Loading
42. Numerical simulation of regional changes in ground-water levels and in the freshwater-saltwater interface induced by increased pumpage at Barbers Point Shaft, Oahu, Hawaii Author/Creator: Souza, William R. Publication/Creation: Honolulu, Hawaii : U.S. Dept. of the Interior, U.S. Geological Survey, 1995 Format: Book Access & Availability: Loading
43. Numerical simulation of streamflow distribution, sediment transport, and sediment deposition along Long Branch Creek in Northeast Missouri Author/Creator: Heimann, David C. Publication/Creation: Rolla, Mo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading
44. Numerical simulation of the alluvium and terrace aquifer along the north Canadian River from Canton Lake to Lake Overholser, central Oklahoma Author/Creator: Christenson, Scott C., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading
45. Numerical simulation of the high plains regional aquifer, northwestern Oklahoma Author/Creator: Havens, John S., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1984 Format: Book Access & Availability: Loading
46. A numerical solution for the diffusion equation in hydrogeologic systems Author/Creator: Ishii, Audrey L., author Publication/Creation: Urbana, Illinois : U.S. Geological Survey, [1989] Format: Book Access & Availability: Loading
47. Nutrient and chlorophyll relations in selected streams of the New England Coastal Basins in Massachusetts and New Hampshire, June-September 2001 Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Format: Book Access & Availability: Loading
48. Nutrient and suspended solids loads, yields, and trends in the non-tidal part of five major river basins in Virginia, 1985-96 Author/Creator: Johnson, Henry M., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
49. Nutrient and suspended-sediment concentrations and loads and benthic-invertebrate data for tributaries to the St. Croix River, Wisconsin and Minnesota, 1997-99 Publication/Creation: Middleton, Wis. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Format: Book Edition: (Revised & repr. Jan. 2003). Access & Availability: Loading
50. Nutrient and suspended-sediment concentrations and loads and benthic-invertebrate data for tributaries to the St. Croix River, Wisconsin and Minnesota, 1997-99 Author/Creator: Lenz, Bernard N., author Publication/Creation: Middleton, Wisconsin : U.S. Geological Survey, 2003 Format: Book Edition: Revised and reprinted January 2003. Access & Availability: Loading