Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Kenneth Hurst Williams's Publications

Panel Talk Video Replay

July 23, 2013, LBNL’s MSD hosted a screening of the documentary Watershed: Exploring a New Water Ethic for the New West. After the film, ESD’s Ken Williams, a Colorado Basin expert, was among panel members involved in a discussion of the film.


    1. N. P. Qafoku, B. N. Gartman, R. K. Kukkadapu, B. W. Arey, K. H. Williams, P. J. Mouser, S. M. Heald, J. R. Bargar, N. Janot, S. Yabusaki, P. E. Long, Geochemical and mineralogical investigation of uranium in multi-element contaminated, organic-rich subsurface sediment, Applied Geochemistry 42 (2014) 77–85, 2014
    2. J. R. Bargar, K. H. Williams, K. M. Campbell, P. E. Long, J. E. Stubbs, E. Suvorova, J. Lezama-Pacheco, D. S. Alessi, M. Stylo, S. M. Webb, D. E. Giammar, L. Y. Blue, and R. Bernier-Latmani, Uranium redox transition pathways in acetate-amended sediments, P. Natl. Acad. Sci., 110(12), 4506-4511, doi:10.1073/pnas.1219198110, 2013
    3. C. J. Castelle, L. A. Hug, K. C. Wrighton, B. C. Thomas, K. H. Williams, D. Wu, S. G. Tringe, S. Singer, J. Eisen, and J. F. Banfield, Extraordinary phylogenetic diversity and metabolic versatility in aquifer sediment, Nat. Commun. (in press) 
    4. D. P. Chandler, C. Knickerbocker, L. Bryant, J. Golova, C. Wiles, K. H. Williams, A. D. Peacock, and P. E. Long, Profiling in situ microbial community structure with an amplification microarray, Appl. Environ. Microb., 79(3), 799-807, doi:10.1128/AEM.02664-12, 2013
    5. J. Chen, S. S. Hubbard, and K. H. Williams, Identifying field-scale biogeochemical transitions using geochemical and geophysical data and Hidden Markov models: Development and application at a Uranium contaminated aquifer, Water Resour. Res. (in revision)
    6. S. A. Dar, H. Tan, A. Peacock, P. Jaffe, L. N’Guessan, K. H. Williams, and S. M. Strycharz-Glaven, Spatial distribution of Geobacteraceae and sulfate reducing bacteria during in situ bioremediation of uranium contaminated groundwater, Remed. J. doi:10.1002/rem.21347, 2013
    7. J. L. Druhan, C. I. Steefel, K. H. Williams, and D. J. DePaolo, Calcium isotope fractionation in groundwater: Molecular scale processes influencing field scale behavior, Geochim. Cosmochim. Ac., doi:10.1016/j.gca.2013.05.022, 2013
    8. J. L. Druhan, M. E. Conrad, M. Bill, H. C. Lim, K. H. Williams, D. J. DePaolo, and E. L. Brodie, A large column analog experiment for stable isotope variations during reactive transport: II. Carbon mass balance, microbial community structure and predation, Geochim. Cosmochim. Ac., (in revision)
    9. A. Flores Orozco, K. H. Williams, and A. Kemna, Time-lapse spectral induced polarization imaging of stimulated uranium bioremediation, Near Surf. Geophys., doi:10.3997/1873-0604.2013020
    10. P. M. Fox, J. A. Davis, R. Kukkadapu, D. M. Singer, J. Bargar, and K. H. Williams, Abiotic U(VI) reduction by sorbed Fe(II) on natural sediments, Geochim. Cosmochim. Ac., doi:10.1016/j.gca.2013.05.003, 2013
    11. K. M. Handley, K. C. Wrighton, C. S. Miller, M. J. Wilkins, R. S.  Kantor, B. C. Thomas, K. H. Williams, P. E. Long, and J. F. Banfield, Disturbed subsurface microbial communities follow equivalent trajectories despite different structural starting points, ISME J., (in review)
    12. D. E. Holmes, L. Giloteaux, K. H. Williams, K. C. Wrighton, M. J. Wilkins, C. A. Thompson, T. J. Roper, P. E. Long and D. R. Lovley, Possible influence of protozoa on anaerobic groundwater bioremediation, ISME J., doi:10.1038/ismej.2013.20, 2013
    13. D. E. Holmes, L. Giloteaux, M. Barlett, M. Chavan, J. Smith, K. H. Williams, M. J. Wilkins, P. E. Long and D. R. Lovley, Molecular analysis of the in situ growth rate of subsurface Geobacter species, Appl. Environ. Microb., doi:10.1128/​AEM.03263-12, 2013
    14. L. A. Hug, C. J. Castelle, K. C. Wrighton, B. C. Thomas, I. Sharon, K. R. Frischkorn, K. H. Williams, S. G. Tringe, and J. F. Banfield, Community genomic analyses constrain the distribution of metabolic traits across the Chloroflexi phylum and indicate roles in sediment carbon cycling, Microbiome, (in review)
    15. L. R. McGuinness, N. Koribanics, K. H. Williams, P. E. Long, and L. J. Kerkhof, Active bacteria using uranium as a terminal electron acceptor at the Rifle, CO integrated field research site, ISME J. (in revision)
    16. N. P. Qafoku, B. N. Gartman, R. K. Kukkadapu, B. W. Arey, K. H. Williams, P. J. Mouser, S. M. Heald, J. R. Bargar, N. Janot, and P. E. Long, Solid phase characterization of uranium in a multi-element contaminated, subsurface naturally reduced zone, Appl. Geochem. (in review)
    17. A. Shiel, P. Laubach, T. Johnson, C. Lundstrom, P. E. Long, and K. H. Williams, No measurable changes in 238U/235U due to desorption—adsorption of U(VI) from groundwater at the Rifle, Colorado IFRC Site, Environ. Sci. Technol., 47, 2535-2541, doi:10.1021/es303913y, 2013
    18. V. K. Stucker, K. H. Williams, M. J. Robbins, and J. F. Ranville, Arsenic geochemistry in a biostimulated aquifer: An aqueous speciation study, Environ. Toxicol. Chem., 32(6), doi:10.1002/etc.2155, 2013
    19. M. J. Wilkins, K. C. Wrighton, C. D. Nicora, K. H. Williams, L. A. McCue, C. S. Miller, L. Giloteaux, A. P. Montgomery, K. M. Handley, D. R. Lovley, J. F. Banfield, P. E. Long, and M. S. Lipton, Fluctuations in species-level protein expression occur during element and nutrient cycling in the subsurface, PLoS ONE, 8(3), e57819, doi:10.1371/journal.pone.0057819, 2013
    20. K. H. Williams, J. R. Bargar, J. R. Lloyd, and D. R. Lovley, Bioremediation of uranium-contaminated groundwater: A systems approach to subsurface biogeochemistry, Curr. Opin. Biotech., doi:10.1016/j.copbio.2012.10.008, 2013
    21. K. H. Williams, M. J. Wilkins, A. L. N’Guessan, B. Arey, E. Dodova, A. Dohnalkova, D. Holmes, D. R. Lovley, and P. E. Long, Field evidence of selenium bioreduction in a uranium contaminated aquifer, Environ. Microbiol. Rep., doi:10.1111/1758-2229.12032, 2013
    22. A. P. Yelton, K. H. Williams, J. Fournelle, K. C. Wrighton, K. M. Handley, and J. F. Banfield, Vanadate and acetate biostimulation of contaminated sediments decreases diversity, selects for specific taxa, and decreases aqueous V5+ concentration, Environ. Sci. Technol., doi:10.1021/es4006674, 2013
    23. J. M. Zachara, P. E Long, J. Bargar, J. A. Davis, P. Fox, J. K. Fredrickson, M. D. Freshley, A. Konopka, C. Liu, J. P. McKinley, M. Rockhold, K. H. Williams, and S. B. Yabusaki, Persistence of uranium groundwater plumes: Contrasting mechanisms at two DOE sites in the groundwater-river interaction zone, J. Contam. Hydrol., 147, 45-72, doi:10.1016/j.jconhyd.2013.02.001, 2013
    24. M. Barlett, H. Sun Moon, A. A. Peacock, D. B. Hedrick, K. H. Williams, D. R. Lovley, P. E. Long, and P. R. Jaffe, Uranium reduction and microbial community development in response to stimulation with different electron donors, Biodegradation, 23, doi:10.1007/s10532-011-9531-8, 2012
    25. K. M. Campbell, R. K. Kukkadapu, N. P. Qafoku, A. D. Peacock, E. Lesher, K. H. Williams, J. R. Bargar, M. J. Wilkins, L. Figueroa, J. Ranville, J. A. Davis, and P. E. Long, Geochemical, mineralogical and microbiological characteristics of sediment from a naturally reduced zone in a uranium contaminated aquifer. Appl. Geochem., 27(8), 1499-1511, doi:10.1016/j.apgeochem.2012.04.013, 2012
    26. J. Chen, S. S. Hubbard, K. H. Williams, A. Flores Orozco, and A. Kemna, Estimating the spatiotemporal distribution of geochemical parameters associated with biostimulation using spectral induced polarization data and hierarchical Bayesian models, Water Resour. Res., 48, W05555, doi:10.1029/2011WR010992, 2012
    27. J. L. Druhan, C. I. Steefel, S. Molins, K. H. Williams, M. E. Conrad, and D. J. DePaolo, Timing the onset of sulfate reduction over multiple subsurface acetate amendments by measurement and modeling of sulfur isotope fractionation, Environ. Sci. Technol., 46 (16), 8895–8902, doi:10.1021/es302016p, 2012
    28. P. M. Fox, J. A. Davis, M. B. Hay, M. E. Conrad, K. M. Campbell, K. H. Williams, and P. E. Long, Rate-limited U(VI) desorption during a small-scale tracer test in a heterogeneous uranium contaminated aquifer, Water Resour. Res., 48, W05512, doi:10.1029/2011WR011472, 2012
    29. L. Giloteaux, D. E Holmes, K. H. Williams, K. C. Wrighton, M. J. Wilkins, A. P. Montgomery, J. A. Smith, R. Orellana, C. A Thompson, T. J. Roper, P. E Long and D. R Lovley, Characterization and transcription of arsenic respiration and resistance genes during in situ uranium bioremediation, ISME J., doi:10.1038/ismej.2012.109, 2012
    30. K. M. Handley, N. C. VerBerkmoes, C. I. Steefel, I. Sharon, K. H. Williams, C. S. Miller, K. Frischkorn, K. Chourey, B. C. Thomas, P. E. Long, R. Hettich, and J. F. Banfield, Biostimulation induces syntrophic interactions that impact carbon, sulfur and nitrogen cycling in a sediment microbial community, ISME J., doi:10.1038/ismej.2012.148, 2012
    31. K. M. Handley, K. C. Wrighton, Y. M. Piceno, G. L. Andersen, T. Z. DeSantis, K. H. Williams, M. J. Wilkins, A. L. N’Guessan, A. Peacock, J. Bargar, P. E. Long, and J. F. Banfield, High-density PhyloChip profiling of stimulated aquifer microbial communities reveals a complex response to acetate amendment. FEMS Microbiol. Ecol., 81, 188-204, doi:10.1111/j.1574-6941.2012.01363.x, 2012
    32. A. Kemna, A. Binley, G. Cassiani, E. Niederleithinger, A. Revil, L. Slater, K. H. Williams, A. Flores Orozco, F.-H. Haegel, A. Hördt, S. Kruschwitz, V. Leroux, K. Titov, and E. Zimmermann, An overview of the spectral induced polarization method for near-surface applications Near Surf. Geophys., 10, 453-468, doi:10.3997/1873-0604.2012027, 2012
    33. M. B. Kowalsky, S. Finsterle, K. H. Williams, C. Murray, M. Commer, D. Newcomer, A. Englert, C. I. Steefel, and S. S. Hubbard, On parameterization of the inverse problem for estimating aquifer properties using tracer data, Water Resour. Res., 48, W06535, doi:10.1029/2011WR011203,
    34. B. Luef, S. C. Fakra, R. Csencsits, K. C. Wrighton, K. H. Williams, M. J. Wilkins, K. H. Downing, P. E. Long, L. R. Comolli and J. F. Banfield, Iron-reducing bacteria accumulate ferric oxyhydroxide nanoparticle aggregates that may support planktonic growth, ISME J., doi:10.1038/ismej.2012.103, 2012
    35. K. C. Wrighton, B. C. Thomas, I, Sharon, C. S. Miller, C. Castelle, N. C. VerBerkmoes, M. J. Wilkins, R. L. Hettich, M. S. Lipton, K. H. Williams, P. E. Long, and J. F. Banfield, Novel carbon, hydrogen and sulfur metabolism in multiple uncultivated bacterial phyla, Science, 337, 1661-1665, doi:10.1126/science.1224021, 2012
    36. K. M. Campbell, J. A. Davis, J. Bargar, D. Giammar, R. Bernier-Latmani, R.  Kukkadapu, K. H. Williams, H. Veramani, K.-U. Ulrich, J. Stubbs, S. Yabusaki, L. Figueroa, E. Lesher, M. J. Wilkins, A.  Peacock, and P. E. Long, Composition, stability, and measurement of reduced uranium phases for groundwater bioremediation at Old Rifle, CO, Appl. Geochem., 26, doi:10.1016/j.apgeochem.2011.03.094, 2011
    37. M. Commer, G. Newman, K. H. Williams, and S. S. Hubbard, Three-dimensional spectral induced polarization data inversion for complex resistivity, Geophysics 76, 157-171, doi:10.1190/1.3560156, 2011
    38. A. C. Dohnalkova, M. J. Marshall, B. W. Arey, K. H. Williams, E. C. Buck, and J. K. Fredrickson, Imaging hydrated microbial extracellular polymers: Comparative analysis by electron microscopy. Appl. Environ. Microb., 77(4), 1254-1262, doi:10.1128/AEM.02001-10, 2011
    39. A. Flores Orozco, K. H. Williams, P. E. Long, S. S. Hubbard and A. Kemna, Using complex resistivity imaging to infer biogeochemical processes associated with bioremediation of a uranium-contaminated aquifer. J. Geophys. Res., 116, G03001, doi:10.1029/2010JG001591,
    40. L. Kerkhof, K. H. Williams, P. E. Long, and L. McGuinness, Phase preference by acetate-utilizing bacteria during DNA replication at the Rifle, CO Integrated Field Research Challenge Site, Environ. Sci. Technol. 45(4), 1250–1256, doi: 0.1021/es102893r, 2011.
    41. M. Miletto, K. H. Williams, L. A. N'Guessan, and D. R. Lovley. Molecular analysis of the metabolic rates of discrete subsurface populations of sulfate reducers. Appl. Environ. Microb. 77(18), doi:10.1128/AEM.00576-11, 2011
    42. M. J. Wilkins, S. J. Callister, M. Miletto, K. H. Williams, C. D. Nicora, D. R. Lovley, P. E. Long, and M. S. Lipton, Development of a biomarker for Geobacter activity and strain composition; Proteogenomic analysis of the citrate synthase protein during bioremediation of U(VI). Microb. Biotechnol., 4(1), 55–63, doi:10.1111/j.1751-7915.2010.00194.x, 2011
    43. K. H. Williams, P. E. Long, J. A. Davis, C. I. Steefel, M. J. Wilkins, A. L. N’Guessan, L. Yang, D. Newcomer, F. A. Spane, L. J. Kerkhof, L. McGuinness, R. Dayvault, and D. R. Lovely, Acetate availability and its influence on sustainable bioremediation of uranium-contaminated groundwater. Geomicro. J., 28(5-6), 519-539, doi:10.1080/01490451.2010.520074, 2011
    44. Y. Wu, J. Ajo-Franklin, N. Spycher, S. Hubbard, G. Zhang, K. H. Williams, J. Taylor, Y. Fujita, and B. Smith, Geophysical monitoring and reactive transport modeling of ureolytic calcite precipitation Gechem. T., 12, doi:10.1186/1467-4866-12-7, 2011
    45. S. B. Yabusaki, Y. Fan, K. H. Williams, C. J. Murray, A. L. Ward, R. D. Dayvault, S. Waichler, D. R. Newcomer, F. A. Spane, and P. E. Long, Variably saturated flow and multicomponent biogeochemical reactive transport modeling of a uranium bioremediation field experiment, J. Contam. Hydrol., 126(3), 271-290, doi:10.1016/j.conhyd.2011.09.002, 2011
    46. J. Bopp IV, C. C. Lundstrom, T. M. Johnson, R. A. Sanford, P. E. Long, and K. H. Williams, Uranium isotope ratios as indicators of reduction: Results from an in situ biostimulation experiment at Rifle, CO, Environ. Sci. Technol., doi:10.1021/es100643v, 2010
    47. S. J. Callister, M. J. Wilkins, C. D. Nicora, K. H. Williams, J. F. Banfield, N. C. VerBerkmoes, R. L. Hettich, A. L. N’Guessan, P. J. Mouser, H. Elifantz, R. D. Smith, D. R. Lovley, M. S. Lipton, and P. E. Long, Proteomics-inferred legacy effects in the function and structure of biostimulated microbial communities. Environ. Sci. Technol. 44(23), 8897–8903, doi:10.1021/es101029f, 2010
    48. H. Elifantz, A. L. N'Guessan, P. J. Mouser, K. H. Williams, M. J. Wilkins, C. Risso, D. E. Holmes, P. E. Long, and D. R. Lovley, Expression of acetate permease-like (apl) genes in subsurface communities of Geobacter species under fluctuating acetate concentrations. FEMS Microbiol. Lett., doi:10.1111/j.1574-6941.2010.00907.x, 2010
    49. A. L. N'Guessan, H. Elifantz, K. P. Nevin, P. J. Mouser, B. Methé, T. L. Woodard, K. Manley, K. H. Williams, M. J. Wilkins, J. T. Larsen, P. E. Long, and D. R. Lovley, Molecular analysis of phosphate limitation in Geobacteraceae during the bioremediation of a uranium-contaminated aquifer. ISME J, doi:10.1038/ismej.2009.115, 2010
    50. Ntarlagiannis, R. Doherty, and K. H. Williams, Spectral induced polarization signatures of abiotic FeS Precipitation. Geophysics, 75, F127; doi:10.1190/1.3467759, 2010
    51. K. H. Williams, A. L. N’Guessan, J. Druhan, P. E. Long, S. S. Hubbard, D. R. Lovley, and J. F. Banfield, Electrodic voltages accompanying stimulated bioremediation of a uranium-contaminated aquifer. J. Geophys. Res., 115, G00G05, doi:10.1029/2009JG001142, 2010
    52. K. H. Williams, K. P. Nevin, A. Franks, A. Englert, P. E. Long, and D. R. Lovley, Electrode-based approach for monitoring in situ microbial activity during subsurface bioremediation. Environ. Sci. Technol., 44(1), 47-54, doi:10.1021/es9017464, 2010
    53. Y. X. Wu, S. Hubbard, K. H. Williams, J. Ajo-Franklin, On the complex conductivity signatures of calcite precipitation. J. Geophys. Res., 115, G00G04, doi:10.1029/2009jg001129, 2010
    54. J. Chen, S. S. Hubbard, K. H. Williams, S. Pride, L. Li, and L. Slater, A state-space Bayesian framework for estimating biogeochemical transformations using time-lapse geophysical data, Water Resour. Res., 45, W08420, doi:10.1029/2008WR007698, 2009
    55. A. Englert, S. S. Hubbard, K. H. Williams, L. Li, and C. I. Steefel, Feedbacks between hydrological heterogeneity and bioremediation induced biogeochemical transformations, Environ. Sci. Technol., 43(14), 5197–5204, doi:10.1021/es803367n, 2009
    56. L. Li, C. I. Steefel, K. H. Williams, and M. J. Wilkins, Mineral transformation and biomass accumulation during uranium bioremediation at Rifle, Colorado, Environ. Sci. Technol., 2009, 43(14), 5429–5435, doi: 10.1021/es900016v, 2009
    57. S. J. Melton, H. Yu, K. H. Williams, S. A. Morris, P. E. Long and D. A. Blake, Field-based detection and monitoring of uranium in contaminated groundwater using two immunosensors, Environ. Sci. Technol., 43(17), pp 6703–6709, doi: 10.1021/es9007239, 2009
    58. P. J. Mouser, A. L. N’Guessan, H. Elifantz, D. E. Holmes, K. H. Williams, M. J. Wilkins, P. E. Long, and D. R. Lovley, Influence of ammonium availability on expression of nifD and amtB genes during biostimulation of a U(VI) contaminated aquifer: Implications for U(VI) removal and monitoring the metabolic state of Geobacteraceae, Environ. Sci. Technol., 43(12), 4386–4392, doi: 10.1021/es8031055, 2009
    59. M. J. Wilkins, N. C. VerBerkmoes, K. H. Williams, S. J. Callister, P. J. Mouser, H. Elifantz, A. L. N’Guessan, B. C. Thomas, C. D. Nicora, M. B. Shah, P. Abraham, M. S. Lipton, D. R. Lovley, R. L. Hettich, P. E. Long, and J. F. Banfield, Proteogenomic monitoring of Geobacter physiology during stimulated uranium bioremediation, Appl. Environ. Microb., 75(20), 6591–6599, 2009
    60. K. H. Williams, A. Kemna, M. Wilkins, J. Druhan, E. Arntzen, L. N’Guessan, P. E. Long, S. S. Hubbard, and J. F. Banfield, Geophysical monitoring of coupled microbial and geochemical processes during stimulated subsurface bioremediation, Environ. Sci. Technol., 43(17), 6717-6723, doi: 10.1021/es900855j, 2009
    61. J. L. Druhan, M. E. Conrad, K. H. Williams, L. N’Guessan, P. E. Long, and S. S. Hubbard, Sulfur isotopes as indicators of amended bacterial sulfate reduction processes influencing field scale uranium bioremediation, Environ. Sci. Technol., 42(21), 7842-7849, doi: 7810.1021/es800414s,
    62. B. Faybishenko, T. C. Hazen, P. E. Long, E. L. Brodie, M. E. Conrad, S. S. Hubbard, J. N. Christensen, D. Joyner, S. E. Borglin, R. Chakraborty, K. H. Williams, J. E. Peterson, J. Chen, S. T. Brown, T. K. Tokunaga, J. Wan, M. Firestone, D. R. Newcomer, C. T. Resch, K. J. Cantrell, A. Willett, and S. Koenigsberg, In situ long-term reductive bioimmobilization of Cr(VI) in groundwater using hydrogen release compound, Environ. Sci. Technol., doi: 10.1021/es801383r,
    63. S. Hubbard; K. H. Williams, M. Conrad, B. Faybishenko, J. Peterson, J. Chen, P. Long, and T. Hazen, Geophysical monitoring of hydrological and biogeochemical transformations associated with Cr(VI) bioremediation, Environ. Sci. Technol., 42(10); 3757-3765, doi:10.1021/es071702s,
    64. S. J. Melton, H. Yu, M. F. Ali, K. H. Williams, M. J. Wilkins, P. E. Long, and D.A. Blake “Detection of hexavalent uranium with inline and field-portable immunosensors”, in Uranium, Mining and Hydrogeology (B.J. Merkel and A. Hasche-Berger, eds.) Springer-Verlag, Berlin, pp 27-36. ISNB: 978-3-540-87745-5, 2008
    65. L. Slater, D. Ntarlagiannis, N. Yee, M. O’Brien, C. Zhang, and K. H. Williams, Electrodic voltages in the presence of sulfide: Implications for monitoring natural microbial activity, Geophysics, 73, doi:10.1190/1.2828977, 2008
    66. K. H. Williams, S. S. Hubbard, and J. F. Banfield, Galvanic interpretation of self-potential signals associated with microbial sulfate-reduction J. Geophys. Res., 112, G03019, doi:10.1029/2007JG000440, 2007
    67. Chen, J., S. Hubbard, J. Peterson, K. Williams, M. Fienen, P. Jardine, and D. Watson, Development of a joint hydrogeophysical inversion approach and application to a contaminated fractured aquifer, Water Resour. Res., 42, W06425, doi:10.1029/2005WR004694, 2006
    68. Ntarlagiannis, K. H. Williams, L. D. Slater, and S. S. Hubbard, Low frequency electrical response to microbial induced sulfide precipitation, J. Geophys. Res., 110, doi:10.1029/2005JG000024, G02009, 2006
    69. K. H. Williams, D. Ntarlagiannis, L. D. Slater, A. Dohnalkova, S. S. Hubbard, and J. F. Banfield, Geophysical imaging of stimulated microbial biomineralization, Environ. Sci. Technol., 39(19), 7592-7600, doi:10.1021/es0504035, 2005
    70. B. Parsons, D. J. P. Swift, and K. H. Williams, Quaternary facies assemblages and their bounding surfaces, Chesapeake Bay Mouth: an approach to mesoscale stratigraphic analysis, J. Sediment. Res., 73(5), 672-690, 2003
    71. S. Hubbard, J. Chen, J. Peterson, E.  Majer, K. Williams, D. Swift, B. Mailloux, and Y. Rubin, Hydrogeological characterization of the D.O.E. bacterial transport site in Oyster Virginia using geophysical data, Water Resour. Res., 37(10), 2431-2456, 2001
    72. S. Hubbard, J.  Peterson, E. Majer, P.  Zawislanski, J. Roberts, K. H. Williams, and F. Wobber, Estimation of permeable pathways and water content using tomographic radar data, The Leading Edge, 16(11), 1623-1628, 1997

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