||v. 1. Contamination from hard-rock mining: a watershed approach to contamination from abandoned mine lands the USGS abandoned mine lands initiative. Characterization of metals in water and bed sediment in two watersheds affected by historical mining in Montana and Colorado / D.A. Nimick, S.E. Church, T.E. Cleasby, D.L. Fey, B.A. Kimball, K.J. Leib, M.A. Mast and W.G. Wright ; Determination of pre-mining geochemcial conditions and paleocology in the Animas River watershed, Colorado / S.E. Church, D.L. Fey, E.M. Brouwers, C.W. Holmes and Robert Blair ; Use of tracer-injection and synoptic-sampling studies to quantify effects of metal loading from mine drainage / B.A. Kimball, R.L. Runkel, K.E. Bencala and Katherine Walton-Day ; Application of the solute-transport models OTIS and OTEQ and implications for remediation in a watershed affected by acid mine drainage, Cement Creek, Animas River basin, Colorado / Katherine Walton-Day, R.L. Runkel, B.A. Kimball and K.E. Bencala ; Aquatic physical habitat and hydrology in abandoned mined land studies / R.T. Milhous ; Characterizing the aquatic health in the Boulder River watershed, Montana / A.M. Farag, D.F. Woodward, Don Skaar and W.G. Brumbaugh ; Colloid formation and the transport of aluminum and iron in the Animas River near Silverton, Colorado / L.E. Schemel, B.A. Kimball and K.E. Bencala ; Partitioning of zinc between dissolved and colloidal phases in the Animas River near Silverton, Colorado / L.E. Schemel, M.H. Cox, B.A. Kimball and K.E. Bencala ; Oxygen isotopes of dissolved sulfate as a tool to distinguish natural and mining-related dissolved constituents / W.G. Wright and D.K. Nordstrom ; Modeling frequency of occurrence of toxic concentrations of zinc and copper in the Upper Animas River / J.M. Besser and K.J. Leib ; Overview of rare earth element investigations in acid waters of U.S. Geological Survey abandoned mine lands watersheds / P.L. Verplanck, D.K. Nordstrom and H.E. Taylor ; Development of a passive integrative sampler for labile metals in water / W.G. Brumbaugh, J.D. Petty, J.N. Huckins and S.E. Manahan ; Geomorphological context of metal-laden sediments the Animas River floodplain, Colorado / K.R. Vincent, S.E. Church and D.L. Fey -- Research on hard-rock mining in mountainous terrain. Modeling solute transport and geochemistry in streams and rivers using OTIS and OTEQ / R.L. Runkel, K.E. Bencala and B.A. Kimball ; Theory and(or) reality: analysis of sulfate mass-balance at Summitville, Colorado poses process questions about the estimation of metal loadings / K.E. Bencala and R.F. Ortiz ; Experimental diversion of acid mine drainage and the effects on a headwater stream / D.K. Niyogi, D.M. McKnight, W.M. Lewis, Jr., and B.A. Kimball ; Considerations of observational scale when evaluating the effect of, and remediation strategies for, a fluvial tailings deposit in the Upper Arkansas river basin, Colorado / K.S. Smith, Katherine Walton-Day and J.F. Ranville -- Research on hard rock mining in arid southwest alluvial basins. Geochemistry and reactive transport of metal contaminants in ground water, Pinal Creek basin, Arizona / J.G. Brown, P.D. Glynn and R.L Bassett ; Use of chlorofluorocarbons, dissolved gases, and water isotopes to characterize ground-water recharge in an aquifer contaminated by acidic, metal-laden wastewater / P.D. Glynn, Eurybiades Busenberg and J.G. Brown ; The effect of trace-metal reactive uptake in the hyporheic zone on reach-scale metal transport in Pinal Creek, Arizona / C.C. Fuller and J.W. Harvey ; Environmental factors affecting oxidation of manganese in Pinal Creek, Arizona / J.C. Marble, T.L. Corley, M.H. Conklin and C.C. Fuller ; Use of multi-parameter sensitivity analysis to determine relative importance of factors influencing natural attenuation of minng contaminants / J.Y. Choi, J.W. Harvey and M.H. Conklin ; Enhanced removal of dissolved manganese in hyporheic zones: centimeter-scale causes and kilometer-scale consequences / J.W. Harvey, C.C. Fuller and M.H. Conklin ; Evaluating the ability of tracer tests to quantify reactive solute transport in stream-aquifer systems / B.J. Wagner and J.W. Harvey ; Preliminary model development of the ground- and surface-water system in Pinal Creek basin, Arizona / C.E. Angeroth, S.A. Leake and B.J. Wagner ; A flow-through cell for in-situ, real time X-ray absorption spectroscopy studies of geochemical reactions / J.E. Villinski, P.A. O'Day, T.L. Corley and M.H. Conklin ; Partitioning of trace metals between contaminated stream waters and manganese oxide minerals, Pinal Creek basin, Arizona / J.E. Best, K.E. Geiger and P.A. O'Day ; Representative plant and algal uptake of metals near Globe, Arizona / J.C. Marble, T.L. Corley and M.H. Conklin ; Manganese removal by the epilithic microbial consortium at Pinal Creek near Globe, Arizona / E.I. Robbins, T.L. Corley and M.H. Conklin -- Additional research on contamination from mining-related activities. Evaluation of the recovery of fish and invertebrae communities following reclamation of a watershed impacted by an abandoned coal surface mine / J.F. Fairchild, B.C. Poulton, T.W. May and S.F. Miller ; Factors explaining the distribution and site densities of the Neosho Madtorn (Noturus placidus) in the Spring River, Missouri / M.L. Wildhaber, C.J. Schmitt and A.L. Allert ; Field demostration of permeable reactive barriers to control radionuclide and trace-element contamination in ground water from abandoned mine lands / D.L. Naftz, J.A. Davis, C.C. Fuller, S.J. Morrison, G.W. Freethey, E.M. Feltcorn, R.G. Wilhelm, M.J. Piana, J. Joye and R.C. Rowland ; Geochemistry, toxicity, and sorption properties of contaminated sediments and pore waters from two reservoirs receiving acid mine drainage / D.K. Nordstrom, C.N. Alpers, J.A. Coston, H.E. Taylor, R.B. McClesky, J.W. Ball, Scott Ogle, J.S. Cotsifas and J.A. Davis ; A new method for the direct determination of dissolved Fe(III) concentration in acid mine waters / J.W. Ball, D.K. Nordstrom, R.B. McCleskey and T.B. To ; Transport modeling of reactive and non-reactive constituents from Summitville, Colorado: preliminary results from the application of the OTIS/OTEQ model to the Wightman/Alamosa River system / J.W. Ball, R.L. Runkel and D.K. Nordstrom ; Frequency distribution of the pH of coal-mine drainage in Pennsylvania / C.A. Cravotta III, K.B.C. Brady, A.W. Rose, and J.B. Douds. v. 2. Contamination of hydrologic systems and related ecosystems: the San Francisco Bay-estuary toxics study-sustained progress in a unique estuarine laboratory. Studies relating pesticide concentrations to potential effects on aquatic organisms in the San Francisco Bay-estuary, California / K.M. Kuivila ; Metal trends and effects in Potamocorbula amurensis in north San Francisco Bay / C.L. Brown and S.N. Luoma ; Pesticides associated with suspended sediments in the San Francisco Bay during the first flush, December 1995 / B.A. Bergamaschi, K.M. Kuivila and M.S. Fram ; Evaluation of polychlorinated biphenyl contamination in the Saginaw River using sediments, caged fish, and SPMDs / K.R. Echols, R.W. Gale, T.R. Schwartz, J.N. Huckins, L.L. Williams, J.C. Meadows, C.E. Orazio, J.D. Petty and D.E. Tillitt ; Butyltin contamination in sediments and lipid tissues of the Asian clam, Potamocorbula amurensis, near Mare Island Naval shipyard, San Francisco Bay / W.E. Pereira, F.D. Hostettler and T.L. Wade ; Forecasting spring discharge in the west: a step towards forecasting stream chemistry / D.H. Peterson, R.E. Smith, Michael Dettinger, D.R. Cayan, S.W. Hager and L.E. Schemel ; Reduced phosphate loading to south San Francisco Bay, California: detection of effects in the water column / L.E. Schemel, S.W. Hagar and D.H. Peterson ; A Marine Nowcast system for San Francisco Bay, California / C.A. English, J.W. Gartner, R.E. Smith and R.T. Cheng ; Herbicide concentrations in the Sacramento-San Joaquin delta, California / K.M. Kuivila, H.D. Barnett and J.L. Edmunds ; Do herbicides impair phytoplankton primary production in the Sacramento-San Joaquin river delta? / J.L. Edmunds, K.M. Kuivila, B.E. Cole and J.E. Cloern ; Degradation rates of six pesticides in water from the Sacramento river, California / Keith Starner, K.M. Kuivila, Bryan Jennings and G.E. Moon ; The carbon isotopic composition of trihalomethanes formed from chemically distinct dissolved organic carbon isolates from the Sacramento-San Joaquin river delta, California, USA / B.A. Bergamaschi, M.S. Fram, Roger Fujii, G.R. Aiken, Carol Kendall and S.R. Silva ; Understanding the human influence on the San Francisco Bay-Delta estuary ecosystem-the toxic substances hydrology program and USGS place-based studes program provide complementary approaches and results / J.S. Kuwabara, F.H. Nichols, K.M. Kuivila and J.S. DiLeo ; Processes affecting the benthic flux of trace metals into the water column of San Francisco Bay / J.S. Kuwabara, B.R. Topping, K.H. Coale and W.M. Berelson ; Redox gradients in the vicinity of the Santa Barbara basin: application of techniques developed within the San Francisco Bay toxics study / J.S. Kuwabara, Alexander van Geen, D.C. McCorkle, J.M. Bernhard, Yan Zheng and B.R. Topping ; Flow-injection-ICP-MS method applied to benthic flux studies of San Francisco bay / B.R. Topping and J.S. Kuwabara ; Aspects of the Exxon Valdez oil spill-a forensic study and a toxics controversy / F.D. Hostettler, K.A. Kvenvolden, R.J. Rosenbauer and J.W. Short -- Mercury contamination of aquatic ecosystems. A national pilot study of mercury contamination of aquatic ecosystems along mutiple gradients / D.P. Krabbenhoft, J.G. Wiener, W.G. Brumbaugh, M.L. Olson, J.F. DeWild and T.J. Sabin ; Methylmercury in aquatic food webs: consequences and management challenges / J.G. Wiener and D.P. Krabbenhoft ; Mercury contamination: a nationwide threat to our aquatic resources, and a proposed research agenda for the USGS / D.P. Krabbenhoft and J.G. Wiener ; Mercury contamination from hydraulic placer-gold mining in the Dutch Flat mining district, California / M.P. Hunerlach, J.J. Rytuba and C.N. Alpers ; Techniques for the collection and species-specific analysis of low levels of mercury in water, sediment, and biota / M.L. Olson and J.F. DeWild -- Occurrence, distribution, and fate of agricultural chemicals in the Mississippi river basin. Nitrogen flux and sources in the Mississippi river basin / D.A. Goolsby, W.A. Battaglin, B.T. Aulenbach and R.P. Hooper ; Occurrence of sulfonylurea, sulfonamide, imidazolinone, and other herbicides in midwestern rivers, reservoirs, and ground water, 1998 / W.A. Battaglin, E.T. Furlong, M.R. Burkhardt and C.J. Peter ; Occurrence of cotton herbicides and insecticides in Playa lakes of the high plains of west Texas / E.M. Thurman, K.C. Bastian and Tony Mollhagen ; Trends in annual herbicide loads from the Mississippi river basin to the Gulf of Mexico / G.M. Clark and D.A. Goolsby ; Finding minimal herbicide concentrations in ground water? Try looking for the degradates / D.W. Kolpin, E.M. Thurman and S.M. Linhart ; Pesticides in the atmosphere of the Mississippi river valley, Part I-rain / M.S. Majewski, W.T. Foreman and D.A. Goolsby ; Pesticides in the atmosphere of the Mississippi river valley, Part II-air / W.T. Foreman, M.S. Majewski, D.A. Goolsby, F.W. Wiebe and R.H. Coupe ; Routine determination of sulfonylurea, imidazolinone, and sulfonamide herbicides at nanogram-per-liter concentrations by solid-phase extraction and liquid chromatography/mass spectrometry / E.T. Furlong, M.R. Burkhardt, P.M. Gates, S.L. Werner and W.A. Battaglin ; Herbicides and herbicide degradates in shallow ground water and the Cedar river near a municipal well field, Cedar Rapids, Iowa / R.A. Boyd ; Occurrence of pesticides in rain and air in urban and agricultural areas of Mississippi, April-September 1995 / R.H. Coupe, M.A. Manning, W.T. Foreman, D.A. Goolsby and M.S. Majewski ; Changes in herbicide concentrations in midwestern streams in relation to changes in use, 1989-98 / E.A. Scribner, W.A. Battaglin, D.A. Goolsby and E.M. Thurman ; An ecological risk assessment of the potential for herbicide impacts on primary productivity of the lower Missouri river / J.R. Fairchild, L.C. Sappington and D.S. Ruessler ; Atmospheric deposition of nitrogen in the Mississippi river basin / G.B. Lawrence, D.A. Goolsby, and W.A. Battaglin ; Isotopic tracing of nitrogen sources and cycling in the Mississippi river basin / Carol Kendall, W.A. Battaglin, Gilbert Cabana, C.C. Chang, S.R. Silva, S.D. Porter, D.A. Goolsby, D.H. Campbell, R.P. Hooper and C.J. Schmitt ; Determination of chloroacetanilide herbicide metabolites in water using high-performance liquid chromatography-diode array detection and high-performance liquid chromatography/mass spectrometry / K.A. Hostetler and E.M. Thurman ; Analysis of selected herbicide metabolites in surface and ground water of the United States / E.A. Scribner, E.M. Thurman and L.R. Zimmerman ; Detection of persistent organic pollutants in the Mississippi Delta using semipermeable membrane devices / L.R. Zimmerman, E.M. Thurman and K.C. Bastian -- Additional research on the effects of contamination on hydrologic systems and related ecosystems. Ratios of metolachlor to its metabolites in ground water, tile-drain discharge, and surface water in selected areas of New York state / P.J. Phillips, D.A. Eckhardt, E.M. Thurman and S.A. Terracciano ; Herbicides and their metabolites in Cayuga lake and its tributaries, New York / D.A.V. Eckhardt, W.M. Kappel, W.F. Coon and P.J. Phillips ; Methyl tert-butyl ether (MTBE) in lakes in Byram township, Sussex county, New Jersey, 1998 and vulnerability of ground water in lakeside communities / O.S. Zapecza and A.L. Baehr ; Halogenated organic compounds in endocrine-disrupted male carp from Las Vegas Wash and Lake Mead, Nevada / T.J. Leiker, H.E. Bevans and S.L. Goodbred ; How DOC composition may explain the poor correlation between specific trihalomethane formation potential and specific UV absorbance / M.S. Fram, Roger Fujii, J.L. Weishaar, B.A. Bergamaschi and G.R. Aiken ; Wastewater analysis by gas chromatography/mass spectrometry / G.K. Brown, S.D. Zaugg and L.B. Barber ; Biomonitoring of environmental status and trends (BEST) program: contaminants and related effects in fish from the Mississippi, Columbia, and Rio Grande basins / C.J. Schmitt, T.M. Bartish, V.S. Blazer, T.S. Gross, D.E. Tillitt, W.L. Bryant and L.R. DeWeese ; A model fish system to test chemical effects on sexual differentiation and development / D.M. Papoulias, D.B. Noltie and D.E. Tillitt ; The potential for contaminated ground water to adversely affect chinook salmon under exposure conditions simulating the Hanford Reach of the Columbia river, Washington, USA / D.F. Woodward, A.M. Farag, A.J. DeLonay, Laverne Cleveland, W.G. Brumbaugh and E.E. Little ; A radioimmunoassay method to screen for antibiotics in liquid waste at confined livestock operations, with confirmation by liquid chromatography/mass spectrometry / M.T. Meyer, J.E. Bumgarner, E.M. Thurman, K.A. Hostetler and J.V. Daughtridge ; Trends in sediment quality in response to urbanization / P.C. Van Metre and Edward Callender ; Estimating the environmental behavior of inorganic and organometal contaminants: solubilities, bioaccumulation, and acute aquatic toxicities / J.P. Hickey. v. 3. Subsurface contamination from point sources: processes that control the natural attenuation of hydrocarbons and fuel oxygenates at gasoline release sites. Fate of MTBE relative to benzene in a gasoline-contaminated aquifer (1993-98) / J.E. Landmeyer, P.M. Bradley and F.H. Chapelle ; Mass transport of methyl tert-butyl ether (MTBE) across the water table and significance for natural-attenuation remediation at a gasoline spill site in Beaufort, South Carolina /' M.A. Lahvis, R.J. Baker and A.L. Baehr ; Aerobic mineralization of MTBE and t-butanol by stream-bed-sediment microorganisms / P.M. Bradley, J.E. Landmeyer and F.H. Chapelle ; Effects of environmental conditions on MTBE degradation in model column aquifers / C.D. Church, P.G. Tratnyek, J.F. Pankow, J.E. Landmeyer, A.L. Baehr, M.A. Thomas and Mario Schirmer ; Equilibrium vapor method to determine the concentration of inorganic carbon and other compounds in water samples / R.J. Baker, A.L. Baehr and M.A. Lahvis ; Transport of methyl tert-butyl ether (MTBE) and hydrocarbons to ground water from gasoline spills in the unsaturated zone / M.A. Lahvis and A.L. Baehr -- Ground water contamination by crude oil. Long-term geochemical evolution of a crude-oil plume at Bemidji, Minnesota / I.M. Cozzarelli, M.J. Baedecker, R.P. Eganhouse, M.E. Tuccillo, B.A. Bekins, G.R. Aiken and J.B. Jaeschke ; Chemical and physical controls on microbial populations in the Bemidji Toxics site crude-oil spill site / B.A. Bekins, I.M. Cozzarelli, E.M. Godsy, Ean Warren, M.E. Tuccillo, H.I. Essaid and V.V. Paganelli ; Long-term monitoring of unsaturated-zone properties to estimate recharge at the Bemidji crude-oil spill site / G.N. Dekin and W.N. Herkelrath ; Coupled biogeochemical modeling of ground-water contamination at the Bemidji, Minnesota crude oil spill site / G.P. Curtis, I.M. Cozzarelli, M.J. Baedecker and B.A. Bekins ; Determining BTEX biodegradation rates using in situ microcosms at the Bemidji site, Minnesota: trials and tribulations / E.M. Godsy, Ean Warren, I.M. Cozzarelli, B.A. Bekins and R.P. Eganhouse ; Mineralogy and mineral weathering: fundamental components of subsurface microbial ecology / P.C. Bennett, J.R. Rogers, F.K. Hiebert and W.J. Choi ; Aromatic and polyaromatic hydrocarbon degradation under Fe(III)-reducing conditions / R.T Anderson, J.N. Rooney-Varga, C.V. Gaw and D.R. Loveley ; Electrical geophysics at the Bemidji research site / R.J. Bisdorf ; Impacts of remediation at the Bemidji oil-spill site / W.N. Herkelrath ; Ground penetrating radar research at the Bemidji, Minnesota, crude-oil spill site / J.E. Lucius ; Investigating the potential for colloid- and organic matter-facilitated transport of polycyclic aromatic hydrocarbons in crude oil-contaminated ground water / J.N. Ryan, G.R. Aiken, D.A. Backhus, K.G. Villholth and C.M. Hawley ; Inhibition of acetoclastic methanogenesis by crude oil from Bemidji, Minnesota / Ean Warren, B.A. Bekins and E.M. Godsy ; Polar metabolites of crude oil / K.A. Thorn and G.R. Aiken ; Patterns of microbial colonization on silicates / J.R. Rogers, P.C. Bennett and F.K. Hiebert -- The fate of complex contaminant mixtures from treated wastewater discharges. Natural restoration of a sewage plume in a sand and gravel aquifer, Cape Cod, Massachusetts / D.R. LeBlanc, K.M. Hess, D.B. Kent, R.L. Smith, L.B. Barber, K.G. Stollenwerk and K.W. Campo ; Evolution of a ground-water sewage plume after removal of the 60-year-long source, Cape Cod, Massachusetts: changes in the dibution of dissolved oxygen, boron, and organic carbon / L.B. Barber and S.H. Keefe ; Evolution of a ground-water sewage plume after removal of the 60-year-long source, Cape Cod, Massachusetts: fate of volatile organic compounds / K.W. Campo and K.M. Hess ; Evolution of a ground-water sewage plume after removal of the 60-year-long source, Cape Cod, Massachusetts: inorganic nitrogen species / R.L. Smith, B.A. Rea Kumler, T.R. Peacock and D.N. Miller ; Evolution of a ground-water sewage plume after removal of the 60-year-long source, Cape Cod, Massachusetts: pH and the fate of phosphate and metals / D.B. Kent and Valerie Maeder ; Phosphorus transport in sewage-contaminated ground water, Massachusetts Military Reservation, Cape Cod, Massachusetts / D.A. Walter, D.R. LeBlanc, K.G. Stollenwerk and K.W. Campo ; In situ assessment of the transport and microbial consumption of oxygen in ground water, Cape Cod, Massachusetts / R.L. Smith, J.K. Bèohlke, K.M. Revesz, Tadashi Yoshinari, P.B. Hatzinger, C.T. Penarrieta and D.A. Repert ; Stable isotope composition of dissolves O2 undergoing respiration in a ground-water contamination gradient / Kinga Révšz, J.K. Bèohlke, R.L. Smith and Tadashi Yoshinari ; Nitrification in a shallow, nitrogen-contaminated aquifer, Cape Cod, Massachusetts / D.N. Miller, R.L. Smith and J.K. Bèohlke ; Recharge conditions and flow velocities of contaminated and uncontaminated ground waters at Cape Cod, Massachusetts: evaluation of o°2H, o°18O, dissolved gases / J.K. Bèohlke, R.L. Smith, T.B. Coplen, Eurybiades Busenberg and D.R. LeBlanc ; Determination of temporal and spatial variability of hydraulic gradients in an unconfined aquifer using three-point triangulation, Cape Cod, Massachusetts / T.D. McCobb, D.R. LeBlanc and K.M. Hess ; Modeling the influence of adsorption on the fate and transport of metals in shallow ground water: zinc contamination in the sewage plume on Cape Cod, Massachusetts / D.B. Kent, R.H. Abrams, J.A. Davis and J.A. Coston ; Modeling the evolution and natural remediation of a ground-water sewage plume / K.G. Stollenwerk and D.L. Parkhurst ; Multispecies reactive tracer test in an aquifer with spatially variable chemical conditions: an overview / J.A. Davis, D.B. Kent, J.A. Coston, K.M. Hess and J.L. Joye ; Multispecies reactive transport in an aquifer with spatially variable chemcial conditions: dispersion of bromide and nickel tracers / K.M. Hess, J.A. Davis, J.A. Coston and D.B. Kent ; Effect of growth conditions upon the subsurface transport behavior of a ground water portist / R.W. Harvey, N.A. Mayberry, N.E. Kinner and D.W. Metge ; Mobilization and transport of natural and synthetic colloids and a virus in an iron oxide-coated, sewage-contaminated aquifer / J.N. Ryan, Menachem Elimelech, R.A. Ard and R.D. Magelky ; Dual radioisotope labeling to monitor virus transport and identifying factors affecting viral inactivation in contaminated aquifer sediments from Cape Cod, Massachusetts / D.W. Metge, Theresa Navigato, J.E. Larson, J.N. Ryan and R.W. Harvey ; Installation of deep reactive walls at MMR using a granular iron-guar slurry / D.W. Hubble and R.W. Gillham ; Monitoring a permeable reactive iron wall installation in unconsolidated sediments by using a cross-hole radar method / J.W. Lane, Jr., P.K. Joesten and J.G. Savoie ; Robowell: a reliable and accurate automated data-collection process applied to reactive-wall monitoring at the Massachusetts Military Reservation, Cape Cod, Massachusetts / G.E. Granato and K.P. Smith -- Factors and processes that affect waste disposal and subsurface transport of contaminants in arid environments. Overview of research on water, gas, and radionuclide transport at the Amargosa Desert Research site, Nevada / B.J. Andraski and D.A. Stonestrom ; Isotopic composition of water in a deep unsaturated zone beside a radioactive-waste disposal area near Beatty, Nevada / D.A. Stonestrom, D.E. Prudic and R.G. Striegl ; Tritium and 14C concentrations in unsaturated-zone gases at test hole UZB-2, Amargosa Desert research site, 1994-98 / D.E. Prudic, R.G. Striegl, R.W. Healy, R.L. Michel and Herbert Haas ; Tritium in water vapor in the shallow unsaturated zone at the Amargosa Desert research site / R.W. Healy, R.G. Striegl, R.L. Michel, D.E. Prudic and B.J. Andraski ; Soil respiration at the Amargosa Desert research site / A.C. Riggs, R.G. Striegl and F.B. Maestas -- Geochemical and microbiological processes in ground water and surface water affected by municipal landfill leachate. Ground-water adn surface-water hydrology of the Norman Landfill research site / Scott Christenson, M.A. Scholl, J.L. Schlottmann and C.J. Becker. (cont.) Identifying ground-water and evaporated surface-water interactions near a landfill using Deuterium, 18Oxygen, and Chloride, Norman, Oklahoma / J.L. Schlottmann, M.A. Scholl and I.M. Cozzarelli ; Biogeochemcial processes in a contaminant plume downgradient from a landfill, Norman, Oklahoma / I.M. Cozzarelli, J.M. Suflita, G.A. Ulrich, S.H. Harris, M.A. Scholl, J.L. Schlottman and J.B. Jaeschke ; Evidence for natural attenuation of volatile organic compounds in the leachate plume of a municipal landfill near Norman, Oklahoma / R.P. Eganhouse, L.L. Matthews, I.M. Cozzarelli and M.A. Scholl ; Dominant terminal electron accepting processes occurring at a landfill leachate-impacted site as indicated by field and laboratory measures / S.H. Harris, G.A. Ulrich and J.M. Suflita ; Heterogeneous organic matter in a landfill aquifer material and its impact on contaminant sorption / H.K. Karapanagioti and D.A. Sabatini ; Aquifer heterogeneity at the Norman, Oklahoma, landfill and its effect on observations of biodegradation processes / M.A. Scholl, I.M. Cozzarelli, S.C. Christenson, G.N. Breit and J.L Schlottmann ; Hydraulic conductivity reductions resulting from clay dispersion within alluvial sediments impacted by sodium-rich water / L.J. King, H.W. Olsen and G.N. Breit ; Mapping the Norman, Oklahoma, landfill contaminant plume using electrical geophysics / R.J. Bisdorf and J.E. Lucius ; Shallow-depth seismic refraction studies near the Norman, Oklahoma landfill / M.H. Powers and W.B. Hasbrouck -- Processes that control the natural attenuation of chlorinated solvents. Using molecular approaches to describe microbial populations at contaminated sites / S.K. Haack and L.A. Reynolds ; Methane as a product of chloroethene biodegradation under methanogenic conditions / P.M. Bradley and F.H. Chapelle ; Chlorinated ethenes from ground water in tree trunks / D.A. Vroblesky, C.T. Nietch and J.T. Morris ; Relative importance of natural attenuation processes in trichloroethene plume and comparison to pump-and-treat remediation at Picatinny Arsenal, New Jersey / T.E. Imbrigiotta and T.A. Ehlke ; Unsaturated-zone air flow at Picatinny Arsenal, New Jersey: implications for natural remediation of the trichloroethylene-contaminated aquifer / J.A. Smith, Whitney Katchmark, Jee-Won Choi and F.D. Tillman, Jr. ; Evaluation of RNA hybridization to assess bacterial population dynamics at natural attenuation sites / L.A. Reynolds and S.K. Haack ; Temporal variations in biogeochemical processes that influence ground-water redox zonation / J.T. McGuire, E.W. Smith, D.T. Long, D.W. Hyndman, S.K. Haack, J.J. Kolak, M.J. Klug, M.A. Velbel and L.J. Forney ; Natural attenuation of chlorinated volatile organic compounds in a freshwater tidal wetland, Aberdeen Proving Ground, Maryland / M.M. Lorah and L.D. Olsen -- Research in characterizing fractured rock aquifers. Integrating multidisciplinary investigations in the characterization of fractured rock / A.M. Shapiro, P.A. Hsieh and F.P. Haeni ; Exchangeable ions, fracture volume, and specific surface area in fractured crystalline rocks / W.W. Wood, T.F. Kraemer and Allen Shapiro ; Geostatistical simulation of high-transmissivity zones at the Mirror Lake site in New Hampshire: conditioning to hydraulic information / F.D. Day-Lewis, P.A. Hsieh, A.M. Shapiro and S.M. Gorelick ; Microbial processes and down-hole mesocosms in two anaerobic fractured-rock aquifers / D.A. Vroblesky, P.M. Bradley, J.W. Lane, Jr., and J.F. Robertson ; Bedrock geologic framework of the Mirror Lake research site, New Hampshire / W.C. Burton, T.R. Armstrong and G.J. Walsh ; Integrating surface and borehole geophysics-examples based on electromagnetic sounding / F.L. Paillet and J.W. Lane, Jr. ; Geophysical reconnaissance in bedrock boreholes-finding and characterizing the hydraulically active fractures / F.L. Paillet ; Relation between seismic velocity and hydraulic conductivity at the USGS fractured rock research site / K.J. Ellefsen, P.A. Hsieh and A.M. Shapiro ; Borehole radar tomography using saline tracer injections to image fluid flow in fractured rock / J.W. Lane, Jr., D.L. Wright and F.P. Haeni ; Integration of surface geophysical methods for fracture detection in bedrock at Mirror Lake, New Hampshire / C.J. Powers, Kamini Singha and F.P. Haeni ; Characterizing fractures in a bedrock outcrop using ground-penetrating radar at Mirror Lake, Grafton county, New Hampshire / M.L. Buursink and J.W. Lane, Jr. ; Computer simulation of fluid flow in fractured rocks at the Mirror Lake FSE well field / P.A. Hsieh, A.M. Shapiro and C.R. Tiedeman ; Analysis of an open-hole aquifer test in fractured crystalline rock / C.R. Tiedeman and P.A. Hsieh ; Effects of lithology and fracture characteristics on hydraulic properties in crystalline rock: Mirror Lake research site, Grafton county, New Hampshire / C.D. Johnson ; Characterizing recharge to wells in carbonate aquifers using environmental and artificially recharged tracers / E.A. Greene ; CFC's in the unsaturated zone and in shallow ground water at Mirror Lake, New Hampshire / D.J. Goode, Eurybiades Busenberg, L.N. Plummer, A.M. Shapiro and D.A. Vroblesky ; Modifications to the solute-transport model MOC3D for simple reactions, double porosity, and age, with application at Mirror Lake, New Hampshire, and other sites / D.J. Goode ; Simulation of mass transport using the FracTran98 Module of FracSys2000 / D.M. Diodato ; Borehole packers for in situ geophysical and microbial investigations in fractured rock / A.M. Shapiro, J.W. Lane, Jr. and J.R. Olimpio.